Re: [algogeeks] C doubt
ch=i++[s]; // in this value is assigned first and then increment will
take place...bcozz you are using post increment.
here i does not have any other option it has to do post increment
before [] comes...but it will not assign value to 'i' ( i.e
incremented 'i' value)
so compiler will do something like this
ch=*(i + s);
i=i+1;
ch=++i[s]; // in this case compiler will rewrite it to something like this ,
ch=++(*(i+s)); // this will increment the value at i[s], pre-increment
is taking place ...so updated i[s] value will be assigned o ch
if you do somthing like this :-
ch=i[s]++; // here post increment is happening , so compiler will
rewrite it somthing like this
// ch will contain old value but if you print i[s] , it will print
incremented value of i[s];
ch=*(i+s);
i[s]=i[s] + 1;
On 10/6/12, rahul sharma wrote:
> char ch
> ch=i++[s];
>
> printf("%c",ch); this will print i[s],then i is incrementrd after
> assigning to ch
>
>
> ch=++i[s];// this will inccrement value at i[s]
>
>
> My question is what is role of priority which is making them behaving
> differentI am not getting y not first i is incremented then i[s] is
> assigned
> plz tell
>
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[algogeeks] C doubt
char ch
ch=i++[s];
printf("%c",ch); this will print i[s],then i is incrementrd after
assigning to ch
ch=++i[s];// this will inccrement value at i[s]
My question is what is role of priority which is making them behaving
differentI am not getting y not first i is incremented then i[s] is
assigned
plz tell
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Re: [algogeeks] c doubt show me how smart u guys are
yes i can do that but how do u want me to proceed if u can give me the code to tell me how to fetch data from the file and use bucket sort on it it will be a huge favour and am i right at my approach to use 2d array to store the values plz tell me sir plz!! On Sun, Sep 25, 2011 at 1:08 PM, Ashima . wrote: > use radix sort 4 times. using bucket sort with chaining as the sorting > algorithm. > time complexity= O(4(n+k)) > space complexity = O(n) > Ashima > M.Sc.(Tech)Information Systems > 4th year > BITS Pilani > Rajasthan > > > > > On Sun, Sep 25, 2011 at 6:01 AM, Jasveen Singh > wrote: > >> i have a file 'star.txt' containing recordss in the form name score as >> given below >> *name score* >> dave 52.67 >> steve60.09 >> >> and so on till 64 names >> >> i have to make a program to read and sort these names in a rank >> just show not to store >> all scores are in float and need to rank these names in a >> orderconsider these all students and teacher >> need a program to rank their percentage in an order to announce ranks >> lets see some algogeek magic >> what i did was >> create a static 2D array of 100 elements and store data from file in it >> using file handling(obvious) >> and then use a simple for loop ranking on 2nd line of array >> >> please need help guys >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to algogeeks@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt show me how smart u guys are
use radix sort 4 times. using bucket sort with chaining as the sorting algorithm. time complexity= O(4(n+k)) space complexity = O(n) Ashima M.Sc.(Tech)Information Systems 4th year BITS Pilani Rajasthan On Sun, Sep 25, 2011 at 6:01 AM, Jasveen Singh wrote: > i have a file 'star.txt' containing recordss in the form name score as > given below > *name score* > dave 52.67 > steve60.09 > > and so on till 64 names > > i have to make a program to read and sort these names in a rank > just show not to store > all scores are in float and need to rank these names in a > orderconsider these all students and teacher > need a program to rank their percentage in an order to announce ranks > lets see some algogeek magic > what i did was > create a static 2D array of 100 elements and store data from file in it > using file handling(obvious) > and then use a simple for loop ranking on 2nd line of array > > please need help guys > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
[algogeeks] c doubt show me how smart u guys are
i have a file 'star.txt' containing recordss in the form name score as given below *name score* dave 52.67 steve60.09 and so on till 64 names i have to make a program to read and sort these names in a rank just show not to store all scores are in float and need to rank these names in a orderconsider these all students and teacher need a program to rank their percentage in an order to announce ranks lets see some algogeek magic what i did was create a static 2D array of 100 elements and store data from file in it using file handling(obvious) and then use a simple for loop ranking on 2nd line of array please need help guys -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
becoz int is of 4btyes so 32 bits required -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
why it(total) should be a multiple of 32 bits..can u clarify it? -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
@kartik:
typedef struct
{
int bit1:29;
int bit2:4;
}bit;
This makes total number of bits 33, which is not on int boundry. (multiple
of 32 bits)
So to make it aligned on int boundry, 31 extra bits are padded at the end
of bit2.
This makes size of struct 29 + 4 + 31 = 64 bits --> 8 bytes.
When bit1 + bit2 = multiple of 32, No need for alignment arises.
Similar example is
struct{
int x;
char y;
}temp;
Here int --> 32 bits
char --> 8 bits
Total = 40 bits. Not a multiple of 32 bits thus, it is forcefully aligned
along int boundary by padding 24 bits.
If you are confused about all this, Google padding in struct.
On Wed, Aug 31, 2011 at 10:34 PM, kartik sachan wrote:
> @ prateek i am still not geeting why now out put is 4
> but if we change second bit2:5 then out put again 8
> plzz explain throughly
>
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Re: [algogeeks] c doubt
@ prateek i am still not geeting why now out put is 4 but if we change second bit2:5 then out put again 8 plzz explain throughly -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
The result will depend on alignment : byte alignment or Word alignment.
Sanju
:)
On Wed, Aug 31, 2011 at 2:51 AM, PRATEEK VERMA wrote:
> oh i'm sorry guys & galz,its my mistake..actually i forgot to add one
> more field in struct
> this is the correct one
> typedef struct
> {
> int bit1:29;
> int bit2:4;
>
> }bit;
> int main()
> {
> printf("%d\n",sizeof(bit));
> return 0;
> }
>
> now what will be the output...i'm sure you will amazed to see the
> result after changing bitfield of bit1 to 28.
>
>
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Re: [algogeeks] c doubt
oh i'm sorry guys & galz,its my mistake..actually i forgot to add one
more field in struct
this is the correct one
typedef struct
{
int bit1:29;
int bit2:4;
}bit;
int main()
{
printf("%d\n",sizeof(bit));
return 0;
}
now what will be the output...i'm sure you will amazed to see the result
after changing bitfield of bit1 to 28.
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Re: [algogeeks] c doubt
@prateek check this i have complied on ideone http://ideone.com/UV7MG output is 4 only -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
@prateek:can u pls explain y the o/p will be 8??according to me also o/p should be 4. On Tue, Aug 30, 2011 at 11:42 PM, PRATEEK VERMA wrote: > @kartik it's wrong output...output will be 8 bytes.I asked this question > just to give more clear picture of bit field > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- Regards, Kamakshi kamakshi...@gmail.com -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
@kartik it's wrong output...output will be 8 bytes.I asked this question just to give more clear picture of bit field -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
@prateek obivously we are calculating size of struct so its output is 4 (if u consider int as 4 bytes) what is the relation between this and above question?? -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
@kartik
there is nothing to do as how computer stores the datasome may be
little endian or big endian.
only thing that matters here is how the bits are being accessed.
computer accesses the bits from left to right.
you can ensure by running the following code
main()
{
int r=456;
int *p;
p=&r;
printf("%d\n",*((char*)p));
}
one more thing
can u guess what will be output of
typedef struct
{
int bit1:32;
}bit;
int main()
{
printf("%d\n",sizeof(bit));
}
and why??
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Re: [algogeeks] c doubt
it will be 00.
Bit fields are allocated within an integer from least-significant to
most-significant bit. In the following code
struct mybitfields
{
unsigned short a : 4;
unsigned short b : 5;
unsigned short c : 7;
} test;
int main( void );
{
test.a = 2;
test.b = 31;
test.c = 0;
}
the bits would be arranged as follows:
0001 0010
cccb
On Mon, Aug 29, 2011 at 10:31 AM, kartik sachan wrote:
> @PRATEEK if i make int bit1:2 then it will store 2 bytes
> for example if bit1=4;then out will be 0 or 1
> my question is it storing number from least significant bit or most
> significant bit???
> suppose for 4 0100 so out will be 00 or 01??
>
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With Regards
Manish Patel
BTech
Computer Science And Engineering
National Institute of Technology -Allahabad
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Re: [algogeeks] C doubt
u r changing readonly memory that's why segment error -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
@PRATEEK if i make int bit1:2 then it will store 2 bytes for example if bit1=4;then out will be 0 or 1 my question is it storing number from least significant bit or most significant bit??? suppose for 4 0100 so out will be 00 or 01?? -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] C doubt
wen u pass an array as parameter to a func, it does decay to a pointer, nd compiler doesn't stop u to change contents of the array through this pointer. basically u can change or not the value at some memory location depends on how u have allocated it not how u r accessing it. On Sun, Aug 28, 2011 at 7:47 AM, rohit wrote: > Thanks for your reply himanshu, ...I am aware of the above stated fact but > my doubt is that when i pass this char array to a function and accept it as > a char pointer (char *a), and then when write a[0] = 'a', why don't i get an > error? > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/algogeeks/-/uoEq0N1M1t0J. > > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] C doubt
because when u pass an array, the address of memory location that is recievd in the func is accessible and write allowed also to u..so u dont get an error On Sun, Aug 28, 2011 at 5:17 PM, rohit wrote: > Thanks for your reply himanshu, ...I am aware of the above stated fact but > my doubt is that when i pass this char array to a function and accept it as > a char pointer (char *a), and then when write a[0] = 'a', why don't i get an > error? > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/algogeeks/-/uoEq0N1M1t0J. > > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- Regards Himanshu Kansal Msc Comp. sc. (University of Delhi) -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] C doubt
@rohit: why do you think this should give error??? On Sun, Aug 28, 2011 at 5:17 PM, rohit wrote: > Thanks for your reply himanshu, ...I am aware of the above stated fact but > my doubt is that when i pass this char array to a function and accept it as > a char pointer (char *a), and then when write a[0] = 'a', why don't i get an > error? > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/algogeeks/-/uoEq0N1M1t0J. > > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- regards Apoorve Mohan -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] C doubt
Thanks for your reply himanshu, ...I am aware of the above stated fact but my doubt is that when i pass this char array to a function and accept it as a char pointer (char *a), and then when write a[0] = 'a', why don't i get an error? -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To view this discussion on the web visit https://groups.google.com/d/msg/algogeeks/-/uoEq0N1M1t0J. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] C doubt
cz when u do char p[]="hello" compiler automatically allocates enough
memory(6 charc here) and puts your string there..
but whn u do char*a="hello" then its complr dependent where d string will be
storedsome compiler stores it in a special location in data segmnt whch
is (read only )so modifying the string is errorother compiler stores it
in write allowed memory so u can alter d string there...
On Sun, Aug 28, 2011 at 5:02 PM, rohit wrote:
> Why does the following code not give an error?
>
> #include
> void fun(char *a) //array decays to pointer here
> {
> a[0] = 'a';
> printf("%s\n",a);
>
>
> }
> int main()
> {
> char p[]="hello";
> fun(p);
> getch();
> }
>
> if i write something like this in main
>
> char *arr="hello"
> arr[0] = 'r'; //this gives runtime error and i know why
>
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Regards
Himanshu Kansal
Msc Comp. sc.
(University of Delhi)
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[algogeeks] C doubt
Why does the following code not give an error?
#include
void fun(char *a) //array decays to pointer here
{
a[0] = 'a';
printf("%s\n",a);
}
int main()
{
char p[]="hello";
fun(p);
getch();
}
if i write something like this in main
char *arr="hello"
arr[0] = 'r'; //this gives runtime error and i know why
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Re: [algogeeks] c doubt
int bit1:1; above definition instructs compiler that use 1 bit for storing integer(signed by default) in bit1. Such notation is used for optimization of memory use. So if someone stores 1 in bit1 then,it will be treated as -1 by compiler since we have instructed the compiler to store it in one bit and since in this case leftmost bit is 1 which will be treated as -1 by the system and output will be -1. -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
[algogeeks] c doubt
class{
int bit1:1;
}
please explain the meaning of line 2.
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Re: [algogeeks] C doubt
u will be taking pointer in structure and use malloc to allocate memory for the number of integer u need On Wed, Aug 24, 2011 at 10:21 AM, Arun Vishwanathan wrote: > say that you have a structure with some fields of known size and unknown > size.For example, a char, an integer and an integer array.I do not know the > size of the integer array until the user mentions the number of bytes he > needs this integer array to cover in the command line as an argument.Is it > possible to have a structure with an integer dynamic array? > > Arun > > -- > "People often say that motivation doesn't last. Well, neither does > bathing - that's why we recommend it daily." > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
[algogeeks] C doubt
say that you have a structure with some fields of known size and unknown size.For example, a char, an integer and an integer array.I do not know the size of the integer array until the user mentions the number of bytes he needs this integer array to cover in the command line as an argument.Is it possible to have a structure with an integer dynamic array? Arun -- "People often say that motivation doesn't last. Well, neither does bathing - that's why we recommend it daily." -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] C doubt
#include
main()
{
int a[10],i;
int (*p)[10];
p=&a;
for( i=0;i<10;i++)
{
*((int *)p+i)=i;
}
for( i=0;i<10;i++)
{
printf(" %d",a[i]);
}
}
--
*UTKARSH SRIVASTAV
CSE-3
B-Tech 3rd Year
@MNNIT ALLAHABAD*
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[algogeeks] C doubt
Suppose i create a block of 10 ints, p is a pointer pointing to this block. int (*p)[10]; How can i initialize these 10 integer blocks using pointer p. -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
when you do maloc or new , space is allocated from heap segment of your process address space. Though you have alllocated (sizeof(struct abc) space but strcpy copies "abcde" beyond your allocated space and overwrite the contents, we should avoid this scenario and use strncpy so that it cannot go beyond alloacted space.. you never know if some one using the buffer beyond p. On Mon, Aug 8, 2011 at 10:48 PM, Mohit Goel wrote: > > @debabratas: can u plz explain this term ..heap corruption .. > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
@debabratas: can u plz explain this term ..heap corruption .. -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
this is a case of heap corruption
On Mon, Aug 8, 2011 at 10:40 PM, Mohit Goel wrote:
> #include
> #include
> struct abc
> {
> char p[1];
> };
> int main()
> {
> struct abc *c =NULL;
> char name[]="abcde";
> c = (struct abc *) malloc (sizeof(struct abc));
>
> strcpy(c->p,name);
> printf("%s",c->p);
> getch();
> return 0;
> }
> why it is printing the whole string "abcde"..there is not enough memory
> in array 'p'...
>
> --
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[algogeeks] c doubt
#include
#include
struct abc
{
char p[1];
};
int main()
{
struct abc *c =NULL;
char name[]="abcde";
c = (struct abc *) malloc (sizeof(struct abc));
strcpy(c->p,name);
printf("%s",c->p);
getch();
return 0;
}
why it is printing the whole string "abcde"..there is not enough memory
in array 'p'...
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[algogeeks] C++ doubt
Hi All,
In the code below, even though pD is actually pointing to a base
class object, how is the print function being successfully called?
#include
class base
{
public:
int BVal;
base()
{
BVal = 100;
}
};
class derived : public base
{
public:
derived()
{
DVal = 500;
}
void print()
{
std::cout<<"\nBVal ="<(&B);*
*pD->print();*
return 0;
}
--
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Shachindra A C
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[algogeeks] C doubt
How do we declare an array of N pointers to functions that return int?? An array of N pointers to integers is this: int *p[N] Just can't figure out the case for pointers to function -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To view this discussion on the web visit https://groups.google.com/d/msg/algogeeks/-/5jW04MciOgQJ. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] C doubt!
My bad! Thanks. -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To view this discussion on the web visit https://groups.google.com/d/msg/algogeeks/-/kiSipxeFkwAJ. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] C doubt!
On Tue, Jul 26, 2011 at 1:43 AM, Nitish Garg wrote:
> This following code produces output as 8 4 4.
>
> 8 is fine, as the size of an int plus a pointer is 8, but why the size of p
> and q is being shown as 4?
>
> #include#includeint main(){
> struct node
> {
>int data;
>struct node * link;
> };
> struct node *p, *q;
> printf("%d ", sizeof(struct node));
>
>
> p = (struct node *)calloc(sizeof(struct node) , 1);
> q = (struct node *)calloc(sizeof(struct node) , 1);
> printf("%d %d", sizeof(p), sizeof(q));
> getchar();}
>
> because p and q are pointers. Note an object.
> You received this message because you are subscribed to the Google Groups
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Re: [algogeeks] C doubt!
u hv answered ur ques in ur ques itself...:)
c u understand size of struct node as 4+4=8 rite?? now in this 4 is size of
int and 4 is the size of the pointer of the type struct node...
now wat are p and q? dey are also pointers to struct node jst like
link...now whn u understand dat the size of link is 4 thn u shudnt have any
trouble understanding p and q as well...
I hope im clear..:)
On Tue, Jul 26, 2011 at 1:43 AM, Nitish Garg wrote:
> This following code produces output as 8 4 4.
>
> 8 is fine, as the size of an int plus a pointer is 8, but why the size of p
> and q is being shown as 4?
>
> #include#includeint main(){
> struct node
> {
>int data;
>struct node * link;
> };
> struct node *p, *q;
> printf("%d ", sizeof(struct node));
> p = (struct node *)calloc(sizeof(struct node) , 1);
> q = (struct node *)calloc(sizeof(struct node) , 1);
> printf("%d %d", sizeof(p), sizeof(q));
> getchar();}
>
> --
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--
Aditi Garg
Undergraduate Student
Electronics & Communication Divison
NETAJI SUBHAS INSTITUTE OF TECHNOLOGY
Sector 3, Dwarka
New Delhi
9718388816
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[algogeeks] C doubt!
This following code produces output as 8 4 4.
8 is fine, as the size of an int plus a pointer is 8, but why the size of p and
q is being shown as 4?
#include#includeint main(){
struct node
{
int data;
struct node * link;
};
struct node *p, *q;
printf("%d ", sizeof(struct node));
p = (struct node *)calloc(sizeof(struct node) , 1);
q = (struct node *)calloc(sizeof(struct node) , 1);
printf("%d %d", sizeof(p), sizeof(q));
getchar();}
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Re: [algogeeks] c doubt
thnx all...i got it :) On Thu, Jul 14, 2011 at 2:13 AM, Anika Jain wrote: > As in base 10 we say 552.5 is same as 5.525 *10^2 , here 2 is the exponent > of base 10.. so similarly in binary nos. for base 2 here if i make > 101.00110011.. to 1.0100110011.. *2^2 my exponent is 2.. now in storage of > floats exponent is stored as exponent +127 i.e here 2 +127 so we get > 1001 > > On Thu, Jul 14, 2011 at 2:03 AM, Kamakshii Aggarwal > wrote: > >> @anika:can u please explain the meaning of this line.. >> so i here get an exponent of 2 as 2 here.. now in exponent 8 bits this >> exponent is stored as 127+exponent so here it becomes 1001.. >> >> >> On Wed, Jul 13, 2011 at 11:44 PM, Piyush Kapoor wrote: >> >>> thanks,i hv just entered 2nd year,so most probably i will study this >>> year >>> -- >>> *Regards,* >>> *Piyush Kapoor,* >>> *CSE-IT-BHU* >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Algorithm Geeks" group. >>> To post to this group, send email to algogeeks@googlegroups.com. >>> To unsubscribe from this group, send email to >>> algogeeks+unsubscr...@googlegroups.com. >>> For more options, visit this group at >>> http://groups.google.com/group/algogeeks?hl=en. >>> >> >> >> >> -- >> Regards, >> Kamakshi >> kamakshi...@gmail.com >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to algogeeks@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
As in base 10 we say 552.5 is same as 5.525 *10^2 , here 2 is the exponent of base 10.. so similarly in binary nos. for base 2 here if i make 101.00110011.. to 1.0100110011.. *2^2 my exponent is 2.. now in storage of floats exponent is stored as exponent +127 i.e here 2 +127 so we get 1001 On Thu, Jul 14, 2011 at 2:03 AM, Kamakshii Aggarwal wrote: > @anika:can u please explain the meaning of this line.. > so i here get an exponent of 2 as 2 here.. now in exponent 8 bits this > exponent is stored as 127+exponent so here it becomes 1001.. > > > On Wed, Jul 13, 2011 at 11:44 PM, Piyush Kapoor wrote: > >> thanks,i hv just entered 2nd year,so most probably i will study this >> year >> -- >> *Regards,* >> *Piyush Kapoor,* >> *CSE-IT-BHU* >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to algogeeks@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > > > -- > Regards, > Kamakshi > kamakshi...@gmail.com > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
@anika:can u please explain the meaning of this line.. so i here get an exponent of 2 as 2 here.. now in exponent 8 bits this exponent is stored as 127+exponent so here it becomes 1001.. On Wed, Jul 13, 2011 at 11:44 PM, Piyush Kapoor wrote: > thanks,i hv just entered 2nd year,so most probably i will study this > year > -- > *Regards,* > *Piyush Kapoor,* > *CSE-IT-BHU* > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- Regards, Kamakshi kamakshi...@gmail.com -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
thanks,i hv just entered 2nd year,so most probably i will study this year -- *Regards,* *Piyush Kapoor,* *CSE-IT-BHU* -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
computer organization carl hamacher. computer system architecture by Morris
Mano. Computer organization and architecture by william stallings.. if u
dont have these refer wikipedia.
On Wed, Jul 13, 2011 at 10:59 PM, Piyush Kapoor wrote:
> Will u guyz pls tell me frm where do u study terms like "endian" ,it is a
> pity i had to google it :( :(
>
>
> On Wed, Jul 13, 2011 at 10:30 PM, Anika Jain wrote:
>
>> ya thts ryt, for big endian it will be 64 -90 102 102
>>
>>
>> On Wed, Jul 13, 2011 at 10:22 PM, sunny agrawal
>> wrote:
>>
>>> I think it is machine dependent and current output is for a little endian
>>> machine
>>> and output should be reverse for a big endian machine
>>>
>>> On Wed, Jul 13, 2011 at 10:18 PM, Anika Jain wrote:
>>>
it is not unsigned its signed but positive thts y it is 0..
the order isnt reversed.. look at the code, the code 1st prints lowest
order byte then next and then next and then highest soo output is 102 102
-90 64
On Wed, Jul 13, 2011 at 8:08 PM, Piyush Kapoor wrote:
> why is the order of numbers reversed?
>
>
> On Wed, Jul 13, 2011 at 8:07 PM, Anika Jain wrote:
>
>> sorry its 0100 not 1100 coz 5.2 is a positive no. so sign bit
>> is 0
>>
>>
>> On Wed, Jul 13, 2011 at 7:58 PM, Piyush Kapoor
>> wrote:
>>
>>> Shouldn't the value of "1100" be -64
>>>
>>>
>>> On Wed, Jul 13, 2011 at 4:53 PM, Anika Jain
>>> wrote:
>>>
binary equivalent of 5.2 is
101.0011001100110011001100110011(nonterminating)..
now it is actually stored in normalised frorm in 32 bits..
like this
<--1 bit for sign---><-8 bits for exponent-><23 bits
for fraction-->
this is from higher order byte to lower order for little endian..
if no. is positive sign bit is 0 else it is 1
The rule says change your floating point no. in such a form that
after 1st digit that is 1 decimal point comes sooo
here it becomes like
1.0100110011001100110011001100110011(nonterminating) * 2^2
so i here get an exponent of 2 as 2 here.. now in exponent 8 bits
this exponent is stored as 127+exponent so here it becomes 1001..
now fraction here is clearly value after the decimal point i.e.
01001100110011001100110011001100110011(non terminationg) but only 1st
23
bits are saved rest are left
so finally wht we get is:
1100 10100110 01100110 01100110
(64) (-90) (102)(102)
On Wed, Jul 13, 2011 at 2:49 PM, Piyush Kapoor >>> > wrote:
> why do we need a NthIntWithKBits() in this topic?
>
>
> On Tue, Jul 12, 2011 at 7:58 AM, oppilas . <
> jatka.oppimi...@gmail.com> wrote:
>
>>
>>
>> On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor <
>> pkjee2...@gmail.com> wrote:
>>
>>> Can anybody give a full explanation
>>>
>>> http://ideone.com/K1QmV
>>
>>> On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal <
>>> sunny816.i...@gmail.com> wrote:
>>>
try to find out the binary representation of float value 5.2
On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta <
sangeeta15...@gmail.com> wrote:
> int main(){
> int i;
> float a=5.2;
> char *ptr;
> ptr=(char *)&a;
> for(i=0;i<=3;i++)
> printf("%d ",*ptr++);
> }
>
> output:
> 102 102 -90 64.explain?
>
> --
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>
--
Sunny Aggrawal
B-Tech IV year,CSI
Indian Institute Of Technology,Roorkee
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Re: [algogeeks] c doubt
Will u guyz pls tell me frm where do u study terms like "endian" ,it is a
pity i had to google it :( :(
On Wed, Jul 13, 2011 at 10:30 PM, Anika Jain wrote:
> ya thts ryt, for big endian it will be 64 -90 102 102
>
>
> On Wed, Jul 13, 2011 at 10:22 PM, sunny agrawal
> wrote:
>
>> I think it is machine dependent and current output is for a little endian
>> machine
>> and output should be reverse for a big endian machine
>>
>> On Wed, Jul 13, 2011 at 10:18 PM, Anika Jain wrote:
>>
>>> it is not unsigned its signed but positive thts y it is 0..
>>> the order isnt reversed.. look at the code, the code 1st prints lowest
>>> order byte then next and then next and then highest soo output is 102 102
>>> -90 64
>>>
>>>
>>> On Wed, Jul 13, 2011 at 8:08 PM, Piyush Kapoor wrote:
>>>
why is the order of numbers reversed?
On Wed, Jul 13, 2011 at 8:07 PM, Anika Jain wrote:
> sorry its 0100 not 1100 coz 5.2 is a positive no. so sign bit
> is 0
>
>
> On Wed, Jul 13, 2011 at 7:58 PM, Piyush Kapoor wrote:
>
>> Shouldn't the value of "1100" be -64
>>
>>
>> On Wed, Jul 13, 2011 at 4:53 PM, Anika Jain
>> wrote:
>>
>>> binary equivalent of 5.2 is
>>> 101.0011001100110011001100110011(nonterminating)..
>>>
>>> now it is actually stored in normalised frorm in 32 bits..
>>> like this
>>> <--1 bit for sign---><-8 bits for exponent-><23 bits
>>> for fraction-->
>>> this is from higher order byte to lower order for little endian..
>>>
>>> if no. is positive sign bit is 0 else it is 1
>>>
>>> The rule says change your floating point no. in such a form that
>>> after 1st digit that is 1 decimal point comes sooo
>>> here it becomes like
>>> 1.0100110011001100110011001100110011(nonterminating) * 2^2
>>>
>>> so i here get an exponent of 2 as 2 here.. now in exponent 8 bits
>>> this exponent is stored as 127+exponent so here it becomes 1001..
>>>
>>> now fraction here is clearly value after the decimal point i.e.
>>> 01001100110011001100110011001100110011(non terminationg) but only 1st 23
>>> bits are saved rest are left
>>>
>>> so finally wht we get is:
>>>
>>> 1100 10100110 01100110 01100110
>>> (64) (-90) (102)(102)
>>>
>>>
>>>
>>> On Wed, Jul 13, 2011 at 2:49 PM, Piyush Kapoor
>>> wrote:
>>>
why do we need a NthIntWithKBits() in this topic?
On Tue, Jul 12, 2011 at 7:58 AM, oppilas . <
jatka.oppimi...@gmail.com> wrote:
>
>
> On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor <
> pkjee2...@gmail.com> wrote:
>
>> Can anybody give a full explanation
>>
>> http://ideone.com/K1QmV
>
>> On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal <
>> sunny816.i...@gmail.com> wrote:
>>
>>> try to find out the binary representation of float value 5.2
>>>
>>>
>>> On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta <
>>> sangeeta15...@gmail.com> wrote:
>>>
int main(){
int i;
float a=5.2;
char *ptr;
ptr=(char *)&a;
for(i=0;i<=3;i++)
printf("%d ",*ptr++);
}
output:
102 102 -90 64.explain?
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>>>
>>>
>>> --
>>> Sunny Aggrawal
>>> B-Tech IV year,CSI
>>> Indian Institute Of Technology,Roorkee
>>>
>>>
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>>>
>>
>>
>>
>> --
>> *Regards,*
>> *Piyush Kapoor,*
>> *CSE-IT-BHU*
>>
>> --
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Re: [algogeeks] c doubt
ya thts ryt, for big endian it will be 64 -90 102 102
On Wed, Jul 13, 2011 at 10:22 PM, sunny agrawal wrote:
> I think it is machine dependent and current output is for a little endian
> machine
> and output should be reverse for a big endian machine
>
> On Wed, Jul 13, 2011 at 10:18 PM, Anika Jain wrote:
>
>> it is not unsigned its signed but positive thts y it is 0..
>> the order isnt reversed.. look at the code, the code 1st prints lowest
>> order byte then next and then next and then highest soo output is 102 102
>> -90 64
>>
>>
>> On Wed, Jul 13, 2011 at 8:08 PM, Piyush Kapoor wrote:
>>
>>> why is the order of numbers reversed?
>>>
>>>
>>> On Wed, Jul 13, 2011 at 8:07 PM, Anika Jain wrote:
>>>
sorry its 0100 not 1100 coz 5.2 is a positive no. so sign bit is
0
On Wed, Jul 13, 2011 at 7:58 PM, Piyush Kapoor wrote:
> Shouldn't the value of "1100" be -64
>
>
> On Wed, Jul 13, 2011 at 4:53 PM, Anika Jain wrote:
>
>> binary equivalent of 5.2 is
>> 101.0011001100110011001100110011(nonterminating)..
>>
>> now it is actually stored in normalised frorm in 32 bits..
>> like this
>> <--1 bit for sign---><-8 bits for exponent-><23 bits
>> for fraction-->
>> this is from higher order byte to lower order for little endian..
>>
>> if no. is positive sign bit is 0 else it is 1
>>
>> The rule says change your floating point no. in such a form that after
>> 1st digit that is 1 decimal point comes sooo
>> here it becomes like
>> 1.0100110011001100110011001100110011(nonterminating) * 2^2
>>
>> so i here get an exponent of 2 as 2 here.. now in exponent 8 bits this
>> exponent is stored as 127+exponent so here it becomes 1001..
>>
>> now fraction here is clearly value after the decimal point i.e.
>> 01001100110011001100110011001100110011(non terminationg) but only 1st 23
>> bits are saved rest are left
>>
>> so finally wht we get is:
>>
>> 1100 10100110 01100110 01100110
>> (64) (-90) (102)(102)
>>
>>
>>
>> On Wed, Jul 13, 2011 at 2:49 PM, Piyush Kapoor
>> wrote:
>>
>>> why do we need a NthIntWithKBits() in this topic?
>>>
>>>
>>> On Tue, Jul 12, 2011 at 7:58 AM, oppilas . <
>>> jatka.oppimi...@gmail.com> wrote:
>>>
On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor >>> > wrote:
> Can anybody give a full explanation
>
> http://ideone.com/K1QmV
> On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal <
> sunny816.i...@gmail.com> wrote:
>
>> try to find out the binary representation of float value 5.2
>>
>>
>> On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta <
>> sangeeta15...@gmail.com> wrote:
>>
>>> int main(){
>>> int i;
>>> float a=5.2;
>>> char *ptr;
>>> ptr=(char *)&a;
>>> for(i=0;i<=3;i++)
>>> printf("%d ",*ptr++);
>>> }
>>>
>>> output:
>>> 102 102 -90 64.explain?
>>>
>>> --
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>>> http://groups.google.com/group/algogeeks?hl=en.
>>>
>>>
>>
>>
>> --
>> Sunny Aggrawal
>> B-Tech IV year,CSI
>> Indian Institute Of Technology,Roorkee
>>
>>
>> --
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>>
>
>
>
> --
> *Regards,*
> *Piyush Kapoor,*
> *CSE-IT-BHU*
>
> --
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Re: [algogeeks] c doubt
I think it is machine dependent and current output is for a little endian
machine
and output should be reverse for a big endian machine
On Wed, Jul 13, 2011 at 10:18 PM, Anika Jain wrote:
> it is not unsigned its signed but positive thts y it is 0..
> the order isnt reversed.. look at the code, the code 1st prints lowest
> order byte then next and then next and then highest soo output is 102 102
> -90 64
>
>
> On Wed, Jul 13, 2011 at 8:08 PM, Piyush Kapoor wrote:
>
>> why is the order of numbers reversed?
>>
>>
>> On Wed, Jul 13, 2011 at 8:07 PM, Anika Jain wrote:
>>
>>> sorry its 0100 not 1100 coz 5.2 is a positive no. so sign bit is
>>> 0
>>>
>>>
>>> On Wed, Jul 13, 2011 at 7:58 PM, Piyush Kapoor wrote:
>>>
Shouldn't the value of "1100" be -64
On Wed, Jul 13, 2011 at 4:53 PM, Anika Jain wrote:
> binary equivalent of 5.2 is
> 101.0011001100110011001100110011(nonterminating)..
>
> now it is actually stored in normalised frorm in 32 bits..
> like this
> <--1 bit for sign---><-8 bits for exponent-><23 bits
> for fraction-->
> this is from higher order byte to lower order for little endian..
>
> if no. is positive sign bit is 0 else it is 1
>
> The rule says change your floating point no. in such a form that after
> 1st digit that is 1 decimal point comes sooo
> here it becomes like
> 1.0100110011001100110011001100110011(nonterminating) * 2^2
>
> so i here get an exponent of 2 as 2 here.. now in exponent 8 bits this
> exponent is stored as 127+exponent so here it becomes 1001..
>
> now fraction here is clearly value after the decimal point i.e.
> 01001100110011001100110011001100110011(non terminationg) but only 1st 23
> bits are saved rest are left
>
> so finally wht we get is:
>
> 1100 10100110 01100110 01100110
> (64) (-90) (102)(102)
>
>
>
> On Wed, Jul 13, 2011 at 2:49 PM, Piyush Kapoor wrote:
>
>> why do we need a NthIntWithKBits() in this topic?
>>
>>
>> On Tue, Jul 12, 2011 at 7:58 AM, oppilas . > > wrote:
>>
>>>
>>>
>>> On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor
>>> wrote:
>>>
Can anybody give a full explanation
http://ideone.com/K1QmV
>>>
On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal <
sunny816.i...@gmail.com> wrote:
> try to find out the binary representation of float value 5.2
>
>
> On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta > wrote:
>
>> int main(){
>> int i;
>> float a=5.2;
>> char *ptr;
>> ptr=(char *)&a;
>> for(i=0;i<=3;i++)
>> printf("%d ",*ptr++);
>> }
>>
>> output:
>> 102 102 -90 64.explain?
>>
>> --
>> You received this message because you are subscribed to the Google
>> Groups "Algorithm Geeks" group.
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>> algogeeks+unsubscr...@googlegroups.com.
>> For more options, visit this group at
>> http://groups.google.com/group/algogeeks?hl=en.
>>
>>
>
>
> --
> Sunny Aggrawal
> B-Tech IV year,CSI
> Indian Institute Of Technology,Roorkee
>
>
> --
> You received this message because you are subscribed to the Google
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>
--
*Regards,*
*Piyush Kapoor,*
*CSE-IT-BHU*
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>>>
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>>>
>>
>>
>>
>> --
>> *Regards,*
>> *Piyush Kapoor,*
>>
Re: [algogeeks] c doubt
it is not unsigned its signed but positive thts y it is 0..
the order isnt reversed.. look at the code, the code 1st prints lowest order
byte then next and then next and then highest soo output is 102 102 -90 64
On Wed, Jul 13, 2011 at 8:08 PM, Piyush Kapoor wrote:
> why is the order of numbers reversed?
>
>
> On Wed, Jul 13, 2011 at 8:07 PM, Anika Jain wrote:
>
>> sorry its 0100 not 1100 coz 5.2 is a positive no. so sign bit is 0
>>
>>
>> On Wed, Jul 13, 2011 at 7:58 PM, Piyush Kapoor wrote:
>>
>>> Shouldn't the value of "1100" be -64
>>>
>>>
>>> On Wed, Jul 13, 2011 at 4:53 PM, Anika Jain wrote:
>>>
binary equivalent of 5.2 is
101.0011001100110011001100110011(nonterminating)..
now it is actually stored in normalised frorm in 32 bits..
like this
<--1 bit for sign---><-8 bits for exponent-><23 bits for
fraction-->
this is from higher order byte to lower order for little endian..
if no. is positive sign bit is 0 else it is 1
The rule says change your floating point no. in such a form that after
1st digit that is 1 decimal point comes sooo
here it becomes like
1.0100110011001100110011001100110011(nonterminating) * 2^2
so i here get an exponent of 2 as 2 here.. now in exponent 8 bits this
exponent is stored as 127+exponent so here it becomes 1001..
now fraction here is clearly value after the decimal point i.e.
01001100110011001100110011001100110011(non terminationg) but only 1st 23
bits are saved rest are left
so finally wht we get is:
1100 10100110 01100110 01100110
(64) (-90) (102)(102)
On Wed, Jul 13, 2011 at 2:49 PM, Piyush Kapoor wrote:
> why do we need a NthIntWithKBits() in this topic?
>
>
> On Tue, Jul 12, 2011 at 7:58 AM, oppilas .
> wrote:
>
>>
>>
>> On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor
>> wrote:
>>
>>> Can anybody give a full explanation
>>>
>>> http://ideone.com/K1QmV
>>
>>> On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal <
>>> sunny816.i...@gmail.com> wrote:
>>>
try to find out the binary representation of float value 5.2
On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta
wrote:
> int main(){
> int i;
> float a=5.2;
> char *ptr;
> ptr=(char *)&a;
> for(i=0;i<=3;i++)
> printf("%d ",*ptr++);
> }
>
> output:
> 102 102 -90 64.explain?
>
> --
> You received this message because you are subscribed to the Google
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>
>
--
Sunny Aggrawal
B-Tech IV year,CSI
Indian Institute Of Technology,Roorkee
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>>>
>>>
>>>
>>> --
>>> *Regards,*
>>> *Piyush Kapoor,*
>>> *CSE-IT-BHU*
>>>
>>> --
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>>
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>>
>
>
>
> --
> *Regards,*
> *Piyush Kapoor,*
> *CSE-IT-BHU*
>
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> For more options, visit this gro
Re: [algogeeks] c doubt
why is the order of numbers reversed?
On Wed, Jul 13, 2011 at 8:07 PM, Anika Jain wrote:
> sorry its 0100 not 1100 coz 5.2 is a positive no. so sign bit is 0
>
>
> On Wed, Jul 13, 2011 at 7:58 PM, Piyush Kapoor wrote:
>
>> Shouldn't the value of "1100" be -64
>>
>>
>> On Wed, Jul 13, 2011 at 4:53 PM, Anika Jain wrote:
>>
>>> binary equivalent of 5.2 is
>>> 101.0011001100110011001100110011(nonterminating)..
>>>
>>> now it is actually stored in normalised frorm in 32 bits..
>>> like this
>>> <--1 bit for sign---><-8 bits for exponent-><23 bits for
>>> fraction-->
>>> this is from higher order byte to lower order for little endian..
>>>
>>> if no. is positive sign bit is 0 else it is 1
>>>
>>> The rule says change your floating point no. in such a form that after
>>> 1st digit that is 1 decimal point comes sooo
>>> here it becomes like 1.0100110011001100110011001100110011(nonterminating)
>>> * 2^2
>>>
>>> so i here get an exponent of 2 as 2 here.. now in exponent 8 bits this
>>> exponent is stored as 127+exponent so here it becomes 1001..
>>>
>>> now fraction here is clearly value after the decimal point i.e.
>>> 01001100110011001100110011001100110011(non terminationg) but only 1st 23
>>> bits are saved rest are left
>>>
>>> so finally wht we get is:
>>>
>>> 1100 10100110 01100110 01100110
>>> (64) (-90) (102)(102)
>>>
>>>
>>>
>>> On Wed, Jul 13, 2011 at 2:49 PM, Piyush Kapoor wrote:
>>>
why do we need a NthIntWithKBits() in this topic?
On Tue, Jul 12, 2011 at 7:58 AM, oppilas .
wrote:
>
>
> On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor wrote:
>
>> Can anybody give a full explanation
>>
>> http://ideone.com/K1QmV
>
>> On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal <
>> sunny816.i...@gmail.com> wrote:
>>
>>> try to find out the binary representation of float value 5.2
>>>
>>>
>>> On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta
>>> wrote:
>>>
int main(){
int i;
float a=5.2;
char *ptr;
ptr=(char *)&a;
for(i=0;i<=3;i++)
printf("%d ",*ptr++);
}
output:
102 102 -90 64.explain?
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>>>
>>>
>>> --
>>> Sunny Aggrawal
>>> B-Tech IV year,CSI
>>> Indian Institute Of Technology,Roorkee
>>>
>>>
>>> --
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>>>
>>
>>
>>
>> --
>> *Regards,*
>> *Piyush Kapoor,*
>> *CSE-IT-BHU*
>>
>> --
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>
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>>>
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Re: [algogeeks] c doubt
sorry its 0100 not 1100 coz 5.2 is a positive no. so sign bit is 0
On Wed, Jul 13, 2011 at 7:58 PM, Piyush Kapoor wrote:
> Shouldn't the value of "1100" be -64
>
>
> On Wed, Jul 13, 2011 at 4:53 PM, Anika Jain wrote:
>
>> binary equivalent of 5.2 is
>> 101.0011001100110011001100110011(nonterminating)..
>>
>> now it is actually stored in normalised frorm in 32 bits..
>> like this
>> <--1 bit for sign---><-8 bits for exponent-><23 bits for
>> fraction-->
>> this is from higher order byte to lower order for little endian..
>>
>> if no. is positive sign bit is 0 else it is 1
>>
>> The rule says change your floating point no. in such a form that after 1st
>> digit that is 1 decimal point comes sooo
>> here it becomes like 1.0100110011001100110011001100110011(nonterminating)
>> * 2^2
>>
>> so i here get an exponent of 2 as 2 here.. now in exponent 8 bits this
>> exponent is stored as 127+exponent so here it becomes 1001..
>>
>> now fraction here is clearly value after the decimal point i.e.
>> 01001100110011001100110011001100110011(non terminationg) but only 1st 23
>> bits are saved rest are left
>>
>> so finally wht we get is:
>>
>> 1100 10100110 01100110 01100110
>> (64) (-90) (102)(102)
>>
>>
>>
>> On Wed, Jul 13, 2011 at 2:49 PM, Piyush Kapoor wrote:
>>
>>> why do we need a NthIntWithKBits() in this topic?
>>>
>>>
>>> On Tue, Jul 12, 2011 at 7:58 AM, oppilas . wrote:
>>>
On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor wrote:
> Can anybody give a full explanation
>
> http://ideone.com/K1QmV
> On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal <
> sunny816.i...@gmail.com> wrote:
>
>> try to find out the binary representation of float value 5.2
>>
>>
>> On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta wrote:
>>
>>> int main(){
>>> int i;
>>> float a=5.2;
>>> char *ptr;
>>> ptr=(char *)&a;
>>> for(i=0;i<=3;i++)
>>> printf("%d ",*ptr++);
>>> }
>>>
>>> output:
>>> 102 102 -90 64.explain?
>>>
>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "Algorithm Geeks" group.
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>>> http://groups.google.com/group/algogeeks?hl=en.
>>>
>>>
>>
>>
>> --
>> Sunny Aggrawal
>> B-Tech IV year,CSI
>> Indian Institute Of Technology,Roorkee
>>
>>
>> --
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>>
>
>
>
> --
> *Regards,*
> *Piyush Kapoor,*
> *CSE-IT-BHU*
>
> --
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>>>
>>>
>>>
>>> --
>>> *Regards,*
>>> *Piyush Kapoor,*
>>> *CSE-IT-BHU*
>>>
>>> --
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Re: [algogeeks] c doubt
Shouldn't the value of "1100" be -64
On Wed, Jul 13, 2011 at 4:53 PM, Anika Jain wrote:
> binary equivalent of 5.2 is
> 101.0011001100110011001100110011(nonterminating)..
>
> now it is actually stored in normalised frorm in 32 bits..
> like this
> <--1 bit for sign---><-8 bits for exponent-><23 bits for
> fraction-->
> this is from higher order byte to lower order for little endian..
>
> if no. is positive sign bit is 0 else it is 1
>
> The rule says change your floating point no. in such a form that after 1st
> digit that is 1 decimal point comes sooo
> here it becomes like 1.0100110011001100110011001100110011(nonterminating) *
> 2^2
>
> so i here get an exponent of 2 as 2 here.. now in exponent 8 bits this
> exponent is stored as 127+exponent so here it becomes 1001..
>
> now fraction here is clearly value after the decimal point i.e.
> 01001100110011001100110011001100110011(non terminationg) but only 1st 23
> bits are saved rest are left
>
> so finally wht we get is:
>
> 1100 10100110 01100110 01100110
> (64) (-90) (102)(102)
>
>
>
> On Wed, Jul 13, 2011 at 2:49 PM, Piyush Kapoor wrote:
>
>> why do we need a NthIntWithKBits() in this topic?
>>
>>
>> On Tue, Jul 12, 2011 at 7:58 AM, oppilas . wrote:
>>
>>>
>>>
>>> On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor wrote:
>>>
Can anybody give a full explanation
http://ideone.com/K1QmV
>>>
On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal <
sunny816.i...@gmail.com> wrote:
> try to find out the binary representation of float value 5.2
>
>
> On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta wrote:
>
>> int main(){
>> int i;
>> float a=5.2;
>> char *ptr;
>> ptr=(char *)&a;
>> for(i=0;i<=3;i++)
>> printf("%d ",*ptr++);
>> }
>>
>> output:
>> 102 102 -90 64.explain?
>>
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> B-Tech IV year,CSI
> Indian Institute Of Technology,Roorkee
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Re: [algogeeks] c doubt
binary equivalent of 5.2 is
101.0011001100110011001100110011(nonterminating)..
now it is actually stored in normalised frorm in 32 bits..
like this
<--1 bit for sign---><-8 bits for exponent-><23 bits for
fraction-->
this is from higher order byte to lower order for little endian..
if no. is positive sign bit is 0 else it is 1
The rule says change your floating point no. in such a form that after 1st
digit that is 1 decimal point comes sooo
here it becomes like 1.0100110011001100110011001100110011(nonterminating) *
2^2
so i here get an exponent of 2 as 2 here.. now in exponent 8 bits this
exponent is stored as 127+exponent so here it becomes 1001..
now fraction here is clearly value after the decimal point i.e.
01001100110011001100110011001100110011(non terminationg) but only 1st 23
bits are saved rest are left
so finally wht we get is:
1100 10100110 01100110 01100110
(64) (-90) (102)(102)
On Wed, Jul 13, 2011 at 2:49 PM, Piyush Kapoor wrote:
> why do we need a NthIntWithKBits() in this topic?
>
>
> On Tue, Jul 12, 2011 at 7:58 AM, oppilas . wrote:
>
>>
>>
>> On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor wrote:
>>
>>> Can anybody give a full explanation
>>>
>>> http://ideone.com/K1QmV
>>
>>> On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal >> > wrote:
>>>
try to find out the binary representation of float value 5.2
On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta wrote:
> int main(){
> int i;
> float a=5.2;
> char *ptr;
> ptr=(char *)&a;
> for(i=0;i<=3;i++)
> printf("%d ",*ptr++);
> }
>
> output:
> 102 102 -90 64.explain?
>
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Re: [algogeeks] c doubt
why do we need a NthIntWithKBits() in this topic?
On Tue, Jul 12, 2011 at 7:58 AM, oppilas . wrote:
>
>
> On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor wrote:
>
>> Can anybody give a full explanation
>>
>> http://ideone.com/K1QmV
>
>> On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal
>> wrote:
>>
>>> try to find out the binary representation of float value 5.2
>>>
>>>
>>> On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta wrote:
>>>
int main(){
int i;
float a=5.2;
char *ptr;
ptr=(char *)&a;
for(i=0;i<=3;i++)
printf("%d ",*ptr++);
}
output:
102 102 -90 64.explain?
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Re: [algogeeks] c doubt
On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor wrote:
> Can anybody give a full explanation
>
> http://ideone.com/K1QmV
> On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal wrote:
>
>> try to find out the binary representation of float value 5.2
>>
>>
>> On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta wrote:
>>
>>> int main(){
>>> int i;
>>> float a=5.2;
>>> char *ptr;
>>> ptr=(char *)&a;
>>> for(i=0;i<=3;i++)
>>> printf("%d ",*ptr++);
>>> }
>>>
>>> output:
>>> 102 102 -90 64.explain?
>>>
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>>
>>
>> --
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>> B-Tech IV year,CSI
>> Indian Institute Of Technology,Roorkee
>>
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Re: [algogeeks] c doubt
Sunny is right.
Try to observe the binary representation, and you shall get your answers.
Regards,
Sandeep Jain
On Mon, Jul 11, 2011 at 5:54 PM, Piyush Kapoor wrote:
> Can anybody give a full explanation
>
>
> On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal wrote:
>
>> try to find out the binary representation of float value 5.2
>>
>>
>> On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta wrote:
>>
>>> int main(){
>>> int i;
>>> float a=5.2;
>>> char *ptr;
>>> ptr=(char *)&a;
>>> for(i=0;i<=3;i++)
>>> printf("%d ",*ptr++);
>>> }
>>>
>>> output:
>>> 102 102 -90 64.explain?
>>>
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>>
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>> B-Tech IV year,CSI
>> Indian Institute Of Technology,Roorkee
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Re: [algogeeks] c doubt
Can anybody give a full explanation
On Sat, Jul 9, 2011 at 10:49 PM, sunny agrawal wrote:
> try to find out the binary representation of float value 5.2
>
>
> On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta wrote:
>
>> int main(){
>> int i;
>> float a=5.2;
>> char *ptr;
>> ptr=(char *)&a;
>> for(i=0;i<=3;i++)
>> printf("%d ",*ptr++);
>> }
>>
>> output:
>> 102 102 -90 64.explain?
>>
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> Indian Institute Of Technology,Roorkee
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Re: [algogeeks] c doubt
@vaibhav.i don't think there is any rule like you mentioned.if it is
plz mention it's source
i think the explanation by aditya is correct it's just due to the precedence
order which is
>=
?:
=
in descending order
hence first >= is evaluated then ?: followed by =...due to which lvalue
error occurs as constant is on the left side !!
On Mon, Jul 11, 2011 at 2:08 PM, vaibhav shukla wrote:
> remember in C , the false statement cannot be used for assignment, if u
> write it without braces.It is allowed in C++ but not in C
> In C compiler would treat it as what aditya has explained.hence the error.
>
> On Mon, Jul 11, 2011 at 12:59 PM, aditya pratap <
> contacttoadity...@gmail.com> wrote:
>
>> this is something like this thats why it is giving lvalue required.
>> u r going to store the the value over value which is not a variable at
>> left hand side.
>>
>> main(){int a=10,b;
>> (a>=5?b=10:b)=20;printf
>> ("%d\n",b);}
>>
>>
>>
>>
>> On Mon, Jul 11, 2011 at 12:47 PM, geek forgeek wrote:
>>
>>> #include
>>> main(){int a=10,b;
>>> a>=5?b=10:b=20;printf
>>> ("%d\n",b);}
>>>
>>> y this is asking for lvalue
>>> while this(below) not?
>>>
>>>
>>> #include
>>> main(){int a=10,b;
>>> a>=5?b=10:(b=20);printf
>>> ("%d\n",b);}
>>>
>>>
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>> MCA II
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Re: [algogeeks] c doubt
remember in C , the false statement cannot be used for assignment, if u
write it without braces.It is allowed in C++ but not in C
In C compiler would treat it as what aditya has explained.hence the error.
On Mon, Jul 11, 2011 at 12:59 PM, aditya pratap wrote:
> this is something like this thats why it is giving lvalue required.
> u r going to store the the value over value which is not a variable at left
> hand side.
>
>
> main(){int a=10,b;
> (a>=5?b=10:b)=20;printf
> ("%d\n",b);}
>
>
>
> On Mon, Jul 11, 2011 at 12:47 PM, geek forgeek wrote:
>
>> #include
>> main(){int a=10,b;
>> a>=5?b=10:b=20;printf
>> ("%d\n",b);}
>>
>> y this is asking for lvalue
>> while this(below) not?
>>
>>
>> #include
>> main(){int a=10,b;
>> a>=5?b=10:(b=20);printf
>> ("%d\n",b);}
>>
>>
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>
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> Aditya Pratap
> MCA II
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Re: [algogeeks] c doubt
this is something like this thats why it is giving lvalue required.
u r going to store the the value over value which is not a variable at left
hand side.
main(){int a=10,b;
(a>=5?b=10:b)=20;printf
("%d\n",b);}
On Mon, Jul 11, 2011 at 12:47 PM, geek forgeek wrote:
> #include
> main(){int a=10,b;
> a>=5?b=10:b=20;printf
> ("%d\n",b);}
>
> y this is asking for lvalue
> while this(below) not?
>
>
> #include
> main(){int a=10,b;
> a>=5?b=10:(b=20);printf
> ("%d\n",b);}
>
>
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[algogeeks] c doubt
#include
main(){int a=10,b;
a>=5?b=10:b=20;printf
("%d\n",b);}
y this is asking for lvalue
while this(below) not?
#include
main(){int a=10,b;
a>=5?b=10:(b=20);printf
("%d\n",b);}
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Re: [algogeeks] c++ doubt
http://www.parashift.com/c++-faq-lite/virtual-functions.html
Its one of my favorite sites... :)
Regards,
Sandeep Jain
On Mon, Jul 11, 2011 at 12:02 AM, himanshu kansal <
himanshukansal...@gmail.com> wrote:
> thanku sir...sir 1 more thngcn u gv a link or some pdf for studying
> virtual inheritance elaborating the vptr mechanism more clearly...
>
>
> On Sun, Jul 10, 2011 at 11:56 PM, Sandeep Jain wrote:
>
>> The reason is... that when u write
>> a obj1=14;
>> it is same as writing a obj1 = a(14);
>> So first a temporary object is created using the constructor
>> a(int i)
>> And this temporary object is passed in the copy constructor. BUT since it
>> is temp object it must be referred by a const alias.
>>
>>
>> Regards,
>> Sandeep Jain
>>
>>
>>
>> On Sun, Jul 10, 2011 at 11:52 PM, himanshu kansal <
>> himanshukansal...@gmail.com> wrote:
>>
>>> a obj3(obj1);but this statement works fine.so it means it is
>>> calling copy constt. perfectly...
>>>
>>>
>>> On Sun, Jul 10, 2011 at 11:49 PM, rahul wrote:
>>>
my badadd const in copy construcori think...that compiler
expect...
On Sun, Jul 10, 2011 at 11:48 PM, rahul wrote:
> use a(int arg)
> {
>x = arg;
> }
>
>
> ur call will work...:)
>
>
> On Sun, Jul 10, 2011 at 11:46 PM, himanshu kansal <
> himanshukansal...@gmail.com> wrote:
>
>> class a
>> {
>>int x;
>> public:
>>a()
>>{
>>}
>>a(int i){x=i;cout<<"in a "<>a(a &obj){cout<<"in copy cons of a"<>
>> };
>>
>> a obj1=14; //error no matching call to a::a(a)
>>
>>
>> why.
>> and just adding a const in the constructor saves me from error...but
>> how
>>
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>>>
>>>
>>>
>>> --
>>>
>>> Regards
>>> Himanshu Kansal
>>> Msc Comp. sc.
>>> (University of Delhi)
>>>
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>
>
>
> --
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> Regards
> Himanshu Kansal
> Msc Comp. sc.
> (University of Delhi)
>
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Re: [algogeeks] c++ doubt
thanku sir...sir 1 more thngcn u gv a link or some pdf for studying
virtual inheritance elaborating the vptr mechanism more clearly...
On Sun, Jul 10, 2011 at 11:56 PM, Sandeep Jain wrote:
> The reason is... that when u write
> a obj1=14;
> it is same as writing a obj1 = a(14);
> So first a temporary object is created using the constructor
> a(int i)
> And this temporary object is passed in the copy constructor. BUT since it
> is temp object it must be referred by a const alias.
>
>
> Regards,
> Sandeep Jain
>
>
>
> On Sun, Jul 10, 2011 at 11:52 PM, himanshu kansal <
> himanshukansal...@gmail.com> wrote:
>
>> a obj3(obj1);but this statement works fine.so it means it is
>> calling copy constt. perfectly...
>>
>>
>> On Sun, Jul 10, 2011 at 11:49 PM, rahul wrote:
>>
>>> my badadd const in copy construcori think...that compiler
>>> expect...
>>>
>>>
>>> On Sun, Jul 10, 2011 at 11:48 PM, rahul wrote:
>>>
use a(int arg)
{
x = arg;
}
ur call will work...:)
On Sun, Jul 10, 2011 at 11:46 PM, himanshu kansal <
himanshukansal...@gmail.com> wrote:
> class a
> {
>int x;
> public:
>a()
>{
>}
>a(int i){x=i;cout<<"in a " };
>
> a obj1=14; //error no matching call to a::a(a)
>
>
> why.
> and just adding a const in the constructor saves me from error...but
> how
>
> --
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>>
>>
>>
>> --
>>
>> Regards
>> Himanshu Kansal
>> Msc Comp. sc.
>> (University of Delhi)
>>
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Re: [algogeeks] c++ doubt
The reason is... that when u write
a obj1=14;
it is same as writing a obj1 = a(14);
So first a temporary object is created using the constructor
a(int i)
And this temporary object is passed in the copy constructor. BUT since it is
temp object it must be referred by a const alias.
Regards,
Sandeep Jain
On Sun, Jul 10, 2011 at 11:52 PM, himanshu kansal <
himanshukansal...@gmail.com> wrote:
> a obj3(obj1);but this statement works fine.so it means it is
> calling copy constt. perfectly...
>
>
> On Sun, Jul 10, 2011 at 11:49 PM, rahul wrote:
>
>> my badadd const in copy construcori think...that compiler
>> expect...
>>
>>
>> On Sun, Jul 10, 2011 at 11:48 PM, rahul wrote:
>>
>>> use a(int arg)
>>> {
>>>x = arg;
>>> }
>>>
>>>
>>> ur call will work...:)
>>>
>>>
>>> On Sun, Jul 10, 2011 at 11:46 PM, himanshu kansal <
>>> himanshukansal...@gmail.com> wrote:
>>>
class a
{
int x;
public:
a()
{
}
a(int i){x=i;cout<<"in a "<>>>a(a &obj){cout<<"in copy cons of a"<>>>
};
a obj1=14; //error no matching call to a::a(a)
why.
and just adding a const in the constructor saves me from error...but
how
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>>>
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>
>
>
> --
>
> Regards
> Himanshu Kansal
> Msc Comp. sc.
> (University of Delhi)
>
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Re: [algogeeks] c++ doubt
a obj3(obj1);but this statement works fine.so it means it is calling
copy constt. perfectly...
On Sun, Jul 10, 2011 at 11:49 PM, rahul wrote:
> my badadd const in copy construcori think...that compiler expect...
>
>
> On Sun, Jul 10, 2011 at 11:48 PM, rahul wrote:
>
>> use a(int arg)
>> {
>>x = arg;
>> }
>>
>>
>> ur call will work...:)
>>
>>
>> On Sun, Jul 10, 2011 at 11:46 PM, himanshu kansal <
>> himanshukansal...@gmail.com> wrote:
>>
>>> class a
>>> {
>>>int x;
>>> public:
>>>a()
>>>{
>>>}
>>>a(int i){x=i;cout<<"in a "<>>a(a &obj){cout<<"in copy cons of a"<>>
>>> };
>>>
>>> a obj1=14; //error no matching call to a::a(a)
>>>
>>>
>>> why.
>>> and just adding a const in the constructor saves me from error...but
>>> how
>>>
>>> --
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>>
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Himanshu Kansal
Msc Comp. sc.
(University of Delhi)
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Re: [algogeeks] c++ doubt
my badadd const in copy construcori think...that compiler expect...
On Sun, Jul 10, 2011 at 11:48 PM, rahul wrote:
> use a(int arg)
> {
>x = arg;
> }
>
>
> ur call will work...:)
>
>
> On Sun, Jul 10, 2011 at 11:46 PM, himanshu kansal <
> himanshukansal...@gmail.com> wrote:
>
>> class a
>> {
>>int x;
>> public:
>>a()
>>{
>>}
>>a(int i){x=i;cout<<"in a "<>a(a &obj){cout<<"in copy cons of a"<>
>> };
>>
>> a obj1=14; //error no matching call to a::a(a)
>>
>>
>> why.
>> and just adding a const in the constructor saves me from error...but
>> how
>>
>> --
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Re: [algogeeks] c++ doubt
use a(int arg)
{
x = arg;
}
ur call will work...:)
On Sun, Jul 10, 2011 at 11:46 PM, himanshu kansal <
himanshukansal...@gmail.com> wrote:
> class a
> {
>int x;
> public:
>a()
>{
>}
>a(int i){x=i;cout<<"in a " };
>
> a obj1=14; //error no matching call to a::a(a)
>
>
> why.
> and just adding a const in the constructor saves me from error...but
> how
>
> --
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[algogeeks] c++ doubt
class a
{
int x;
public:
a()
{
}
a(int i){x=i;cout<<"in a "
Re: [algogeeks] c doubt
try to find out the binary representation of float value 5.2
On Sat, Jul 9, 2011 at 10:46 PM, Sangeeta wrote:
> int main(){
> int i;
> float a=5.2;
> char *ptr;
> ptr=(char *)&a;
> for(i=0;i<=3;i++)
> printf("%d ",*ptr++);
> }
>
> output:
> 102 102 -90 64.explain?
>
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[algogeeks] c doubt
int main(){
int i;
float a=5.2;
char *ptr;
ptr=(char *)&a;
for(i=0;i<=3;i++)
printf("%d ",*ptr++);
}
output:
102 102 -90 64.explain?
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Re: [algogeeks] c doubt
thanx i got it :)
On Mon, Jul 4, 2011 at 2:05 PM, Sandeep Jain wrote:
> If you try to visualize the internal representation.
> You've allocated 10 bytes.
> | h | e | l | l | o |
> | h | i |\0 |\0 |\0 |
>
> Since these are stored in linear form, so the actual representation would
> be
> | h | e | l | l | o | h | i |\0 |\0 |\0 |
>
>
> Now a[0] points to 'h' in the first row, and printf starts to print
> characters one by one till it finds null, i.e. \0
> Thus it prints from "hellohi"
> And similarly printing a[1] prints only "hi"
>
>
> Regards,
> Sandeep Jain
>
>
>
>
> On Mon, Jul 4, 2011 at 1:48 PM, Sangeeta wrote:
>
>> #include
>> #include
>> void main()
>> {
>> char a[2][5]= {
>> "hellodear",
>> "hi"};
>> printf("%s%s",a[0],a[1]);
>> }
>> output:hellohi hi
>> explain?
>>
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Re: [algogeeks] c doubt
If you try to visualize the internal representation.
You've allocated 10 bytes.
| h | e | l | l | o |
| h | i |\0 |\0 |\0 |
Since these are stored in linear form, so the actual representation would be
| h | e | l | l | o | h | i |\0 |\0 |\0 |
Now a[0] points to 'h' in the first row, and printf starts to print
characters one by one till it finds null, i.e. \0
Thus it prints from "hellohi"
And similarly printing a[1] prints only "hi"
Regards,
Sandeep Jain
On Mon, Jul 4, 2011 at 1:48 PM, Sangeeta wrote:
> #include
> #include
> void main()
> {
> char a[2][5]= {
> "hellodear",
> "hi"};
> printf("%s%s",a[0],a[1]);
> }
> output:hellohi hi
> explain?
>
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Re: [algogeeks] c doubt
Continuous memory allocation is used for 2-d array.
So a[2][5] will assign 10 continuous memory spaces.
Hello will be stored on the 1st 5 spaces. Hi will be saved on the next 2
consecutive spaces itself.
There is no null character saved for the 1st string so while printing it
prints until it finds a null character which exists only after hi.
So a[0] prints hellohi
and a[1] prints hi
On Mon, Jul 4, 2011 at 1:48 PM, Sangeeta wrote:
> #include
> #include
> void main()
> {
> char a[2][5]= {
> "hellodear",
> "hi"};
> printf("%s%s",a[0],a[1]);
> }
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Re: [algogeeks] c doubt
The meaning of 0 is being escaped, it now represents Octal and the following
digits are taken to be an octal number. Ascii equivalent of the octal no. is
being taken as a character.
Ascii equivalent of octal no. 61 is 1. So it takes it to be 4 characters..
S,1,A,B
Another example would be..
#include
#include
main()
{
char str[]="S\051AB";
printf("%s\n",str);
}
Output:
S)AB
because Ascii value of ) is 51(in octal format).
On Mon, Jul 4, 2011 at 12:59 PM, Vishal Thanki wrote:
> because "\061" is considered as a single char in ur string..
>
> On Mon, Jul 4, 2011 at 12:52 PM, Sangeeta wrote:
> > #Iinclude
> > #include
> > main()
> > {
> > char str[]="S\061AB";
> > printf("\n%d",strlen(str));
> > }
> > output:4
> > why?
> >
> > --
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> >
> >
>
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[algogeeks] c doubt
#include
#include
void main()
{
char a[2][5]= {
"hellodear",
"hi"};
printf("%s%s",a[0],a[1]);
}
output:hellohi hi
explain?
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Re: [algogeeks] c doubt
because "\061" is considered as a single char in ur string..
On Mon, Jul 4, 2011 at 12:52 PM, Sangeeta wrote:
> #Iinclude
> #include
> main()
> {
> char str[]="S\061AB";
> printf("\n%d",strlen(str));
> }
> output:4
> why?
>
> --
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>
>
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[algogeeks] c doubt
#Iinclude
#include
main()
{
char str[]="S\061AB";
printf("\n%d",strlen(str));
}
output:4
why?
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Re: [algogeeks] c doubt
ya i got it.. thanx
On Thu, Jun 23, 2011 at 6:01 PM, rajeev bharshetty wrote:
> It is because of the ! operator in front of a , !a is always 0(in case a is
> value other than 0) so it takes it as integer and hence the size is 4 bytes
> whereas only a you will get 12 . The ! changes the data type here .
> Hope it clears the doubt :)
>
>
> -
>
>
> Rajeev N B
>
> I Blog @ www.opensourcemania.co.cc
>
> On Thu, Jun 23, 2011 at 5:52 PM, Anika Jain wrote:
>
>> int main()
>> {
>> long double a;
>> signed char b;
>> printf("%d\n",sizeof(!a+b));
>> return 0;
>> }
>>
>> why is it 4?? shouldnt it be 12 as per sizeof long double in gccc
>>
>> --
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>>
>
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Re: [algogeeks] c doubt
It is because of the ! operator in front of a , !a is always 0(in case a is
value other than 0) so it takes it as integer and hence the size is 4 bytes
whereas only a you will get 12 . The ! changes the data type here .
Hope it clears the doubt :)
-
Rajeev N B
I Blog @ www.opensourcemania.co.cc
On Thu, Jun 23, 2011 at 5:52 PM, Anika Jain wrote:
> int main()
> {
> long double a;
> signed char b;
> printf("%d\n",sizeof(!a+b));
> return 0;
> }
>
> why is it 4?? shouldnt it be 12 as per sizeof long double in gccc
>
> --
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Re: [algogeeks] c doubt again
@anika -thankx :)
On Thu, Jun 23, 2011 at 11:57 AM, Anika Jain wrote:
> @ harshit: i find such questions from books like let us c, test ur c,
> dennis ritchie and from test papers of companies that visit campus
>
>
> On Thu, Jun 23, 2011 at 9:15 AM, Piyush Sinha wrote:
>
>> or u cud consult ANSI C by Balaguruswamy in chapter of Console I/Ps and
>> O/Ps
>>
>> On 6/23/11, harshit pahuja wrote:
>> > @rajeev
>> >
>> > http://www.cplusplus.com/reference/clibrary/cstdio/scanf/
>> > http://www.cplusplus.com/reference/clibrary/cstdio/printf/
>> >
>> > On Thu, Jun 23, 2011 at 9:39 PM, rajeev bharshetty
>> > wrote:
>> >
>> >> @ Piyush Could u provide the link to some source , because i am still
>> >> unclear about the above concept .
>> >>
>> >> Regards
>> >> Rajeev N B
>> >>
>> >>
>> >>
>> >>
>> >> On Thu, Jun 23, 2011 at 8:32 PM, Piyush Sinha
>> >> wrote:
>> >>
>> >>> there is no as such logic behind it..its just the format specifier...
>> >>>
>> >>> u must be knowing printf returns the number of values it has printed(u
>> >>> can
>> >>> check that)
>> >>>
>> >>> now, in printf if u write like *printf("%7s","a"), *it will create 7
>> >>> columns for the output and print a in the last column and the returned
>> >>> value
>> >>> of this printf will be 7..(u can check it)
>> >>>
>> >>> now if u write *printf("%*s",7,"a")* then u r giving additional
>> >>> information of format specifier i.e 7..returned value of this printf
>> is
>> >>> also
>> >>> 7.
>> >>>
>> >>> Hence the above logic..hope I am able to clarify it...:)
>> >>>
>> >>>
>> >>> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain
>> >>> wrote:
>> >>>
>> i mean how it working actually?
>>
>>
>> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain
>> wrote:
>>
>> > hey ya its working :) but whats the logic behind it??
>> >
>> >
>> > On Thu, Jun 23, 2011 at 7:52 PM, Piyush Sinha <
>> ecstasy.piy...@gmail.com
>> > > wrote:
>> >
>> >> sorry by mistake i added it in scanf situation..
>> >> actually this type of specifier can be used with printf statement
>> for
>> >> finding the sum...
>> >>
>> >> look at the code below
>> >>
>> >> main()
>> >> {
>> >> int a=9;
>> >> int b=3;
>> >> printf("%d\n",printf("%*s%*s",a,"",b,""));
>> >> system("pause");
>> >> }
>> >>
>> >> On 6/23/11, Anika Jain wrote:
>> >> > thanx .. can u explain me how this is used in finding sum of 2
>> vars
>> >> without
>> >> > using + ??
>> >> >
>> >> >
>> >> > On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
>> >> > wrote:
>> >> >
>> >> >> An asterisk indicates that the data is to be retrieved from the
>> use
>> >> >> but ignored, i.e. it is not stored in the corresponding
>> >> >> argument...hence the third value entered gets stored for b and
>> for
>> >> >> c
>> >> >> the output comes to garbage value
>> >> >>
>> >> >> One beautiful application of such type of implementation is in
>> >> finding
>> >> >> the sum of 2 variables without using + operator..:)
>> >> >>
>> >> >> On 6/23/11, Anika Jain wrote:
>> >> >> > int main()
>> >> >> > {
>> >> >> >int a,b, c;
>> >> >> >scanf("%d%*d%d",&a,&b,&c);
>> >> >> >printf("%d %d %d",a,b,c);
>> >> >> > }
>> >> >> >
>> >> >> > output: 25 35 garbage
>> >> >> >
>> >> >> > how is it happening??
>> >> >> >
>> >> >> > --
>> >> >> > You received this message because you are subscribed to the
>> >> >> > Google
>> >> >> > Groups
>> >> >> > "Algorithm Geeks" group.
>> >> >> > To post to this group, send email to
>> algogeeks@googlegroups.com.
>> >> >> > To unsubscribe from this group, send email to
>> >> >> > algogeeks+unsubscr...@googlegroups.com.
>> >> >> > For more options, visit this group at
>> >> >> > http://groups.google.com/group/algogeeks?hl=en.
>> >> >> >
>> >> >> >
>> >> >>
>> >> >>
>> >> >> --
>> >> >> *Piyush Sinha*
>> >> >> *IIIT, Allahabad*
>> >> >> *+91-8792136657*
>> >> >> *+91-7483122727*
>> >> >> *https://www.facebook.com/profile.php?id=10655377926 *
>> >> >>
>> >> >> --
>> >> >> You received this message because you are subscribed to the
>> Google
>> >> Groups
>> >> >> "Algorithm Geeks" group.
>> >> >> To post to this group, send email to algogeeks@googlegroups.com
>> .
>> >> >> To unsubscribe from this group, send email to
>> >> >> algogeeks+unsubscr...@googlegroups.com.
>> >> >> For more options, visit this group at
>> >> >> http://groups.google.com/group/algogeeks?hl=en.
>> >> >>
>> >> >>
>> >> >
>> >> > --
>> >> > You received this message because you are subscribed to the
>> Google
>> >> Groups
>> >> > "Algorithm Geeks" group.
>> >> > To post to this group, send email to algogeeks@googlegroups.com.
>> >
Re: [algogeeks] c doubt again
@ piyush : oh thanx.. i understood it :)
On Thu, Jun 23, 2011 at 11:57 AM, Anika Jain wrote:
> @ harshit: i find such questions from books like let us c, test ur c,
> dennis ritchie and from test papers of companies that visit campus
>
>
> On Thu, Jun 23, 2011 at 9:15 AM, Piyush Sinha wrote:
>
>> or u cud consult ANSI C by Balaguruswamy in chapter of Console I/Ps and
>> O/Ps
>>
>> On 6/23/11, harshit pahuja wrote:
>> > @rajeev
>> >
>> > http://www.cplusplus.com/reference/clibrary/cstdio/scanf/
>> > http://www.cplusplus.com/reference/clibrary/cstdio/printf/
>> >
>> > On Thu, Jun 23, 2011 at 9:39 PM, rajeev bharshetty
>> > wrote:
>> >
>> >> @ Piyush Could u provide the link to some source , because i am still
>> >> unclear about the above concept .
>> >>
>> >> Regards
>> >> Rajeev N B
>> >>
>> >>
>> >>
>> >>
>> >> On Thu, Jun 23, 2011 at 8:32 PM, Piyush Sinha
>> >> wrote:
>> >>
>> >>> there is no as such logic behind it..its just the format specifier...
>> >>>
>> >>> u must be knowing printf returns the number of values it has printed(u
>> >>> can
>> >>> check that)
>> >>>
>> >>> now, in printf if u write like *printf("%7s","a"), *it will create 7
>> >>> columns for the output and print a in the last column and the returned
>> >>> value
>> >>> of this printf will be 7..(u can check it)
>> >>>
>> >>> now if u write *printf("%*s",7,"a")* then u r giving additional
>> >>> information of format specifier i.e 7..returned value of this printf
>> is
>> >>> also
>> >>> 7.
>> >>>
>> >>> Hence the above logic..hope I am able to clarify it...:)
>> >>>
>> >>>
>> >>> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain
>> >>> wrote:
>> >>>
>> i mean how it working actually?
>>
>>
>> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain
>> wrote:
>>
>> > hey ya its working :) but whats the logic behind it??
>> >
>> >
>> > On Thu, Jun 23, 2011 at 7:52 PM, Piyush Sinha <
>> ecstasy.piy...@gmail.com
>> > > wrote:
>> >
>> >> sorry by mistake i added it in scanf situation..
>> >> actually this type of specifier can be used with printf statement
>> for
>> >> finding the sum...
>> >>
>> >> look at the code below
>> >>
>> >> main()
>> >> {
>> >> int a=9;
>> >> int b=3;
>> >> printf("%d\n",printf("%*s%*s",a,"",b,""));
>> >> system("pause");
>> >> }
>> >>
>> >> On 6/23/11, Anika Jain wrote:
>> >> > thanx .. can u explain me how this is used in finding sum of 2
>> vars
>> >> without
>> >> > using + ??
>> >> >
>> >> >
>> >> > On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
>> >> > wrote:
>> >> >
>> >> >> An asterisk indicates that the data is to be retrieved from the
>> use
>> >> >> but ignored, i.e. it is not stored in the corresponding
>> >> >> argument...hence the third value entered gets stored for b and
>> for
>> >> >> c
>> >> >> the output comes to garbage value
>> >> >>
>> >> >> One beautiful application of such type of implementation is in
>> >> finding
>> >> >> the sum of 2 variables without using + operator..:)
>> >> >>
>> >> >> On 6/23/11, Anika Jain wrote:
>> >> >> > int main()
>> >> >> > {
>> >> >> >int a,b, c;
>> >> >> >scanf("%d%*d%d",&a,&b,&c);
>> >> >> >printf("%d %d %d",a,b,c);
>> >> >> > }
>> >> >> >
>> >> >> > output: 25 35 garbage
>> >> >> >
>> >> >> > how is it happening??
>> >> >> >
>> >> >> > --
>> >> >> > You received this message because you are subscribed to the
>> >> >> > Google
>> >> >> > Groups
>> >> >> > "Algorithm Geeks" group.
>> >> >> > To post to this group, send email to
>> algogeeks@googlegroups.com.
>> >> >> > To unsubscribe from this group, send email to
>> >> >> > algogeeks+unsubscr...@googlegroups.com.
>> >> >> > For more options, visit this group at
>> >> >> > http://groups.google.com/group/algogeeks?hl=en.
>> >> >> >
>> >> >> >
>> >> >>
>> >> >>
>> >> >> --
>> >> >> *Piyush Sinha*
>> >> >> *IIIT, Allahabad*
>> >> >> *+91-8792136657*
>> >> >> *+91-7483122727*
>> >> >> *https://www.facebook.com/profile.php?id=10655377926 *
>> >> >>
>> >> >> --
>> >> >> You received this message because you are subscribed to the
>> Google
>> >> Groups
>> >> >> "Algorithm Geeks" group.
>> >> >> To post to this group, send email to algogeeks@googlegroups.com
>> .
>> >> >> To unsubscribe from this group, send email to
>> >> >> algogeeks+unsubscr...@googlegroups.com.
>> >> >> For more options, visit this group at
>> >> >> http://groups.google.com/group/algogeeks?hl=en.
>> >> >>
>> >> >>
>> >> >
>> >> > --
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>> Google
>> >> Groups
>> >> > "Algorithm Geeks" group.
>> >> > To post to this group, send email to algogeeks@goo
Re: [algogeeks] c doubt again
@ harshit: i find such questions from books like let us c, test ur c, dennis
ritchie and from test papers of companies that visit campus
On Thu, Jun 23, 2011 at 9:15 AM, Piyush Sinha wrote:
> or u cud consult ANSI C by Balaguruswamy in chapter of Console I/Ps and
> O/Ps
>
> On 6/23/11, harshit pahuja wrote:
> > @rajeev
> >
> > http://www.cplusplus.com/reference/clibrary/cstdio/scanf/
> > http://www.cplusplus.com/reference/clibrary/cstdio/printf/
> >
> > On Thu, Jun 23, 2011 at 9:39 PM, rajeev bharshetty
> > wrote:
> >
> >> @ Piyush Could u provide the link to some source , because i am still
> >> unclear about the above concept .
> >>
> >> Regards
> >> Rajeev N B
> >>
> >>
> >>
> >>
> >> On Thu, Jun 23, 2011 at 8:32 PM, Piyush Sinha
> >> wrote:
> >>
> >>> there is no as such logic behind it..its just the format specifier...
> >>>
> >>> u must be knowing printf returns the number of values it has printed(u
> >>> can
> >>> check that)
> >>>
> >>> now, in printf if u write like *printf("%7s","a"), *it will create 7
> >>> columns for the output and print a in the last column and the returned
> >>> value
> >>> of this printf will be 7..(u can check it)
> >>>
> >>> now if u write *printf("%*s",7,"a")* then u r giving additional
> >>> information of format specifier i.e 7..returned value of this printf is
> >>> also
> >>> 7.
> >>>
> >>> Hence the above logic..hope I am able to clarify it...:)
> >>>
> >>>
> >>> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain
> >>> wrote:
> >>>
> i mean how it working actually?
>
>
> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain
> wrote:
>
> > hey ya its working :) but whats the logic behind it??
> >
> >
> > On Thu, Jun 23, 2011 at 7:52 PM, Piyush Sinha <
> ecstasy.piy...@gmail.com
> > > wrote:
> >
> >> sorry by mistake i added it in scanf situation..
> >> actually this type of specifier can be used with printf statement
> for
> >> finding the sum...
> >>
> >> look at the code below
> >>
> >> main()
> >> {
> >> int a=9;
> >> int b=3;
> >> printf("%d\n",printf("%*s%*s",a,"",b,""));
> >> system("pause");
> >> }
> >>
> >> On 6/23/11, Anika Jain wrote:
> >> > thanx .. can u explain me how this is used in finding sum of 2
> vars
> >> without
> >> > using + ??
> >> >
> >> >
> >> > On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
> >> > wrote:
> >> >
> >> >> An asterisk indicates that the data is to be retrieved from the
> use
> >> >> but ignored, i.e. it is not stored in the corresponding
> >> >> argument...hence the third value entered gets stored for b and
> for
> >> >> c
> >> >> the output comes to garbage value
> >> >>
> >> >> One beautiful application of such type of implementation is in
> >> finding
> >> >> the sum of 2 variables without using + operator..:)
> >> >>
> >> >> On 6/23/11, Anika Jain wrote:
> >> >> > int main()
> >> >> > {
> >> >> >int a,b, c;
> >> >> >scanf("%d%*d%d",&a,&b,&c);
> >> >> >printf("%d %d %d",a,b,c);
> >> >> > }
> >> >> >
> >> >> > output: 25 35 garbage
> >> >> >
> >> >> > how is it happening??
> >> >> >
> >> >> > --
> >> >> > You received this message because you are subscribed to the
> >> >> > Google
> >> >> > Groups
> >> >> > "Algorithm Geeks" group.
> >> >> > To post to this group, send email to
> algogeeks@googlegroups.com.
> >> >> > To unsubscribe from this group, send email to
> >> >> > algogeeks+unsubscr...@googlegroups.com.
> >> >> > For more options, visit this group at
> >> >> > http://groups.google.com/group/algogeeks?hl=en.
> >> >> >
> >> >> >
> >> >>
> >> >>
> >> >> --
> >> >> *Piyush Sinha*
> >> >> *IIIT, Allahabad*
> >> >> *+91-8792136657*
> >> >> *+91-7483122727*
> >> >> *https://www.facebook.com/profile.php?id=10655377926 *
> >> >>
> >> >> --
> >> >> You received this message because you are subscribed to the
> Google
> >> Groups
> >> >> "Algorithm Geeks" group.
> >> >> To post to this group, send email to algogeeks@googlegroups.com.
> >> >> To unsubscribe from this group, send email to
> >> >> algogeeks+unsubscr...@googlegroups.com.
> >> >> For more options, visit this group at
> >> >> http://groups.google.com/group/algogeeks?hl=en.
> >> >>
> >> >>
> >> >
> >> > --
> >> > You received this message because you are subscribed to the Google
> >> Groups
> >> > "Algorithm Geeks" group.
> >> > To post to this group, send email to algogeeks@googlegroups.com.
> >> > To unsubscribe from this group, send email to
> >> > algogeeks+unsubscr...@googlegroups.com.
> >> > For more options, visit this group at
> >> > http://groups.google.com/group/algogeeks?hl=en.
> >> >
> >> >
> >>
>
Re: [algogeeks] c doubt
@anika: the negation operation returns 0 or 1 which is an integerso u get this output On Thu, Jun 23, 2011 at 10:29 PM, piyush kapoor wrote: > Thanks a lot :) > > > -- > *Regards,* > *Piyush Kapoor,* > *CSE-IT-BHU* > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- regards Apoorve Mohan -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
Thanks a lot :) -- *Regards,* *Piyush Kapoor,* *CSE-IT-BHU* -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt again
or u cud consult ANSI C by Balaguruswamy in chapter of Console I/Ps and O/Ps
On 6/23/11, harshit pahuja wrote:
> @rajeev
>
> http://www.cplusplus.com/reference/clibrary/cstdio/scanf/
> http://www.cplusplus.com/reference/clibrary/cstdio/printf/
>
> On Thu, Jun 23, 2011 at 9:39 PM, rajeev bharshetty
> wrote:
>
>> @ Piyush Could u provide the link to some source , because i am still
>> unclear about the above concept .
>>
>> Regards
>> Rajeev N B
>>
>>
>>
>>
>> On Thu, Jun 23, 2011 at 8:32 PM, Piyush Sinha
>> wrote:
>>
>>> there is no as such logic behind it..its just the format specifier...
>>>
>>> u must be knowing printf returns the number of values it has printed(u
>>> can
>>> check that)
>>>
>>> now, in printf if u write like *printf("%7s","a"), *it will create 7
>>> columns for the output and print a in the last column and the returned
>>> value
>>> of this printf will be 7..(u can check it)
>>>
>>> now if u write *printf("%*s",7,"a")* then u r giving additional
>>> information of format specifier i.e 7..returned value of this printf is
>>> also
>>> 7.
>>>
>>> Hence the above logic..hope I am able to clarify it...:)
>>>
>>>
>>> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain
>>> wrote:
>>>
i mean how it working actually?
On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain
wrote:
> hey ya its working :) but whats the logic behind it??
>
>
> On Thu, Jun 23, 2011 at 7:52 PM, Piyush Sinha > wrote:
>
>> sorry by mistake i added it in scanf situation..
>> actually this type of specifier can be used with printf statement for
>> finding the sum...
>>
>> look at the code below
>>
>> main()
>> {
>> int a=9;
>> int b=3;
>> printf("%d\n",printf("%*s%*s",a,"",b,""));
>> system("pause");
>> }
>>
>> On 6/23/11, Anika Jain wrote:
>> > thanx .. can u explain me how this is used in finding sum of 2 vars
>> without
>> > using + ??
>> >
>> >
>> > On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
>> > wrote:
>> >
>> >> An asterisk indicates that the data is to be retrieved from the use
>> >> but ignored, i.e. it is not stored in the corresponding
>> >> argument...hence the third value entered gets stored for b and for
>> >> c
>> >> the output comes to garbage value
>> >>
>> >> One beautiful application of such type of implementation is in
>> finding
>> >> the sum of 2 variables without using + operator..:)
>> >>
>> >> On 6/23/11, Anika Jain wrote:
>> >> > int main()
>> >> > {
>> >> >int a,b, c;
>> >> >scanf("%d%*d%d",&a,&b,&c);
>> >> >printf("%d %d %d",a,b,c);
>> >> > }
>> >> >
>> >> > output: 25 35 garbage
>> >> >
>> >> > how is it happening??
>> >> >
>> >> > --
>> >> > You received this message because you are subscribed to the
>> >> > Google
>> >> > Groups
>> >> > "Algorithm Geeks" group.
>> >> > To post to this group, send email to algogeeks@googlegroups.com.
>> >> > To unsubscribe from this group, send email to
>> >> > algogeeks+unsubscr...@googlegroups.com.
>> >> > For more options, visit this group at
>> >> > http://groups.google.com/group/algogeeks?hl=en.
>> >> >
>> >> >
>> >>
>> >>
>> >> --
>> >> *Piyush Sinha*
>> >> *IIIT, Allahabad*
>> >> *+91-8792136657*
>> >> *+91-7483122727*
>> >> *https://www.facebook.com/profile.php?id=10655377926 *
>> >>
>> >> --
>> >> You received this message because you are subscribed to the Google
>> Groups
>> >> "Algorithm Geeks" group.
>> >> To post to this group, send email to algogeeks@googlegroups.com.
>> >> To unsubscribe from this group, send email to
>> >> algogeeks+unsubscr...@googlegroups.com.
>> >> For more options, visit this group at
>> >> http://groups.google.com/group/algogeeks?hl=en.
>> >>
>> >>
>> >
>> > --
>> > You received this message because you are subscribed to the Google
>> Groups
>> > "Algorithm Geeks" group.
>> > To post to this group, send email to algogeeks@googlegroups.com.
>> > To unsubscribe from this group, send email to
>> > algogeeks+unsubscr...@googlegroups.com.
>> > For more options, visit this group at
>> > http://groups.google.com/group/algogeeks?hl=en.
>> >
>> >
>>
>>
>> --
>> *Piyush Sinha*
>> *IIIT, Allahabad*
>> *+91-8792136657*
>> *+91-7483122727*
>> *https://www.facebook.com/profile.php?id=10655377926 *
>>
>> --
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>> Groups "Algorithm Geeks" group.
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>> For more options, visit this group at
>>
Re: [algogeeks] c doubt again
@rajeev
http://www.cplusplus.com/reference/clibrary/cstdio/scanf/
http://www.cplusplus.com/reference/clibrary/cstdio/printf/
On Thu, Jun 23, 2011 at 9:39 PM, rajeev bharshetty wrote:
> @ Piyush Could u provide the link to some source , because i am still
> unclear about the above concept .
>
> Regards
> Rajeev N B
>
>
>
>
> On Thu, Jun 23, 2011 at 8:32 PM, Piyush Sinha wrote:
>
>> there is no as such logic behind it..its just the format specifier...
>>
>> u must be knowing printf returns the number of values it has printed(u can
>> check that)
>>
>> now, in printf if u write like *printf("%7s","a"), *it will create 7
>> columns for the output and print a in the last column and the returned value
>> of this printf will be 7..(u can check it)
>>
>> now if u write *printf("%*s",7,"a")* then u r giving additional
>> information of format specifier i.e 7..returned value of this printf is also
>> 7.
>>
>> Hence the above logic..hope I am able to clarify it...:)
>>
>>
>> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain wrote:
>>
>>> i mean how it working actually?
>>>
>>>
>>> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain wrote:
>>>
hey ya its working :) but whats the logic behind it??
On Thu, Jun 23, 2011 at 7:52 PM, Piyush Sinha >>> > wrote:
> sorry by mistake i added it in scanf situation..
> actually this type of specifier can be used with printf statement for
> finding the sum...
>
> look at the code below
>
> main()
> {
> int a=9;
> int b=3;
> printf("%d\n",printf("%*s%*s",a,"",b,""));
> system("pause");
> }
>
> On 6/23/11, Anika Jain wrote:
> > thanx .. can u explain me how this is used in finding sum of 2 vars
> without
> > using + ??
> >
> >
> > On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
> > wrote:
> >
> >> An asterisk indicates that the data is to be retrieved from the use
> >> but ignored, i.e. it is not stored in the corresponding
> >> argument...hence the third value entered gets stored for b and for c
> >> the output comes to garbage value
> >>
> >> One beautiful application of such type of implementation is in
> finding
> >> the sum of 2 variables without using + operator..:)
> >>
> >> On 6/23/11, Anika Jain wrote:
> >> > int main()
> >> > {
> >> >int a,b, c;
> >> >scanf("%d%*d%d",&a,&b,&c);
> >> >printf("%d %d %d",a,b,c);
> >> > }
> >> >
> >> > output: 25 35 garbage
> >> >
> >> > how is it happening??
> >> >
> >> > --
> >> > You received this message because you are subscribed to the Google
> >> > Groups
> >> > "Algorithm Geeks" group.
> >> > To post to this group, send email to algogeeks@googlegroups.com.
> >> > To unsubscribe from this group, send email to
> >> > algogeeks+unsubscr...@googlegroups.com.
> >> > For more options, visit this group at
> >> > http://groups.google.com/group/algogeeks?hl=en.
> >> >
> >> >
> >>
> >>
> >> --
> >> *Piyush Sinha*
> >> *IIIT, Allahabad*
> >> *+91-8792136657*
> >> *+91-7483122727*
> >> *https://www.facebook.com/profile.php?id=10655377926 *
> >>
> >> --
> >> You received this message because you are subscribed to the Google
> Groups
> >> "Algorithm Geeks" group.
> >> To post to this group, send email to algogeeks@googlegroups.com.
> >> To unsubscribe from this group, send email to
> >> algogeeks+unsubscr...@googlegroups.com.
> >> For more options, visit this group at
> >> http://groups.google.com/group/algogeeks?hl=en.
> >>
> >>
> >
> > --
> > You received this message because you are subscribed to the Google
> Groups
> > "Algorithm Geeks" group.
> > To post to this group, send email to algogeeks@googlegroups.com.
> > To unsubscribe from this group, send email to
> > algogeeks+unsubscr...@googlegroups.com.
> > For more options, visit this group at
> > http://groups.google.com/group/algogeeks?hl=en.
> >
> >
>
>
> --
> *Piyush Sinha*
> *IIIT, Allahabad*
> *+91-8792136657*
> *+91-7483122727*
> *https://www.facebook.com/profile.php?id=10655377926 *
>
> --
> You received this message because you are subscribed to the Google
> Groups "Algorithm Geeks" group.
> To post to this group, send email to algogeeks@googlegroups.com.
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> algogeeks+unsubscr...@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/algogeeks?hl=en.
>
>
>>> --
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>>> To unsubscribe from this group, send email to
>>> algogeeks+un
Re: [algogeeks] c doubt again
@ Piyush Could u provide the link to some source , because i am still
unclear about the above concept .
Regards
Rajeev N B
On Thu, Jun 23, 2011 at 8:32 PM, Piyush Sinha wrote:
> there is no as such logic behind it..its just the format specifier...
>
> u must be knowing printf returns the number of values it has printed(u can
> check that)
>
> now, in printf if u write like *printf("%7s","a"), *it will create 7
> columns for the output and print a in the last column and the returned value
> of this printf will be 7..(u can check it)
>
> now if u write *printf("%*s",7,"a")* then u r giving additional
> information of format specifier i.e 7..returned value of this printf is also
> 7.
>
> Hence the above logic..hope I am able to clarify it...:)
>
>
> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain wrote:
>
>> i mean how it working actually?
>>
>>
>> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain wrote:
>>
>>> hey ya its working :) but whats the logic behind it??
>>>
>>>
>>> On Thu, Jun 23, 2011 at 7:52 PM, Piyush Sinha
>>> wrote:
>>>
sorry by mistake i added it in scanf situation..
actually this type of specifier can be used with printf statement for
finding the sum...
look at the code below
main()
{
int a=9;
int b=3;
printf("%d\n",printf("%*s%*s",a,"",b,""));
system("pause");
}
On 6/23/11, Anika Jain wrote:
> thanx .. can u explain me how this is used in finding sum of 2 vars
without
> using + ??
>
>
> On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
> wrote:
>
>> An asterisk indicates that the data is to be retrieved from the use
>> but ignored, i.e. it is not stored in the corresponding
>> argument...hence the third value entered gets stored for b and for c
>> the output comes to garbage value
>>
>> One beautiful application of such type of implementation is in
finding
>> the sum of 2 variables without using + operator..:)
>>
>> On 6/23/11, Anika Jain wrote:
>> > int main()
>> > {
>> >int a,b, c;
>> >scanf("%d%*d%d",&a,&b,&c);
>> >printf("%d %d %d",a,b,c);
>> > }
>> >
>> > output: 25 35 garbage
>> >
>> > how is it happening??
>> >
>> > --
>> > You received this message because you are subscribed to the Google
>> > Groups
>> > "Algorithm Geeks" group.
>> > To post to this group, send email to algogeeks@googlegroups.com.
>> > To unsubscribe from this group, send email to
>> > algogeeks+unsubscr...@googlegroups.com.
>> > For more options, visit this group at
>> > http://groups.google.com/group/algogeeks?hl=en.
>> >
>> >
>>
>>
>> --
>> *Piyush Sinha*
>> *IIIT, Allahabad*
>> *+91-8792136657*
>> *+91-7483122727*
>> *https://www.facebook.com/profile.php?id=10655377926 *
>>
>> --
>> You received this message because you are subscribed to the Google
Groups
>> "Algorithm Geeks" group.
>> To post to this group, send email to algogeeks@googlegroups.com.
>> To unsubscribe from this group, send email to
>> algogeeks+unsubscr...@googlegroups.com.
>> For more options, visit this group at
>> http://groups.google.com/group/algogeeks?hl=en.
>>
>>
>
> --
> You received this message because you are subscribed to the Google
Groups
> "Algorithm Geeks" group.
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> algogeeks+unsubscr...@googlegroups.com.
> For more options, visit this group at
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>
>
--
*Piyush Sinha*
*IIIT, Allahabad*
*+91-8792136657*
*+91-7483122727*
*https://www.facebook.com/profile.php?id=10655377926 *
--
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http://groups.google.com/group/algogeeks?hl=en.
>>>
>> --
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>>
>
>
>
> --
> *Piyush Sinha*
> *IIIT, Allahabad*
> *+91-8792136657*
> *+91-7483122727*
> *https://www.facebook.com/profile.php?id=10655377926 *
>
> --
> You received this message because you are subscribed to the Googl
Re: [algogeeks] c doubt
In C, the type of a character constant like 'a' is actually an int, with size of 4. In C++, the type is char, with size of 1. This is one of many small differences between the two languages. On Thu, Jun 23, 2011 at 6:50 PM, piyush kapoor wrote: > You didn't understand my question... > Why is sizeof() interpreting a "constant character literal" as ascii??? > > > -- > *Regards,* > *Piyush Kapoor,* > *CSE-IT-BHU* > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt again
there is no as such logic behind it..its just the format specifier...
u must be knowing printf returns the number of values it has printed(u can
check that)
now, in printf if u write like *printf("%7s","a"), *it will create 7
columns for the output and print a in the last column and the returned value
of this printf will be 7..(u can check it)
now if u write *printf("%*s",7,"a")* then u r giving additional information
of format specifier i.e 7..returned value of this printf is also 7.
Hence the above logic..hope I am able to clarify it...:)
On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain wrote:
> i mean how it working actually?
>
>
> On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain wrote:
>
>> hey ya its working :) but whats the logic behind it??
>>
>>
>> On Thu, Jun 23, 2011 at 7:52 PM, Piyush Sinha
>> wrote:
>>
>>> sorry by mistake i added it in scanf situation..
>>> actually this type of specifier can be used with printf statement for
>>> finding the sum...
>>>
>>> look at the code below
>>>
>>> main()
>>> {
>>> int a=9;
>>> int b=3;
>>> printf("%d\n",printf("%*s%*s",a,"",b,""));
>>> system("pause");
>>> }
>>>
>>> On 6/23/11, Anika Jain wrote:
>>> > thanx .. can u explain me how this is used in finding sum of 2 vars
>>> without
>>> > using + ??
>>> >
>>> >
>>> > On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
>>> > wrote:
>>> >
>>> >> An asterisk indicates that the data is to be retrieved from the use
>>> >> but ignored, i.e. it is not stored in the corresponding
>>> >> argument...hence the third value entered gets stored for b and for c
>>> >> the output comes to garbage value
>>> >>
>>> >> One beautiful application of such type of implementation is in finding
>>> >> the sum of 2 variables without using + operator..:)
>>> >>
>>> >> On 6/23/11, Anika Jain wrote:
>>> >> > int main()
>>> >> > {
>>> >> >int a,b, c;
>>> >> >scanf("%d%*d%d",&a,&b,&c);
>>> >> >printf("%d %d %d",a,b,c);
>>> >> > }
>>> >> >
>>> >> > output: 25 35 garbage
>>> >> >
>>> >> > how is it happening??
>>> >> >
>>> >> > --
>>> >> > You received this message because you are subscribed to the Google
>>> >> > Groups
>>> >> > "Algorithm Geeks" group.
>>> >> > To post to this group, send email to algogeeks@googlegroups.com.
>>> >> > To unsubscribe from this group, send email to
>>> >> > algogeeks+unsubscr...@googlegroups.com.
>>> >> > For more options, visit this group at
>>> >> > http://groups.google.com/group/algogeeks?hl=en.
>>> >> >
>>> >> >
>>> >>
>>> >>
>>> >> --
>>> >> *Piyush Sinha*
>>> >> *IIIT, Allahabad*
>>> >> *+91-8792136657*
>>> >> *+91-7483122727*
>>> >> *https://www.facebook.com/profile.php?id=10655377926 *
>>> >>
>>> >> --
>>> >> You received this message because you are subscribed to the Google
>>> Groups
>>> >> "Algorithm Geeks" group.
>>> >> To post to this group, send email to algogeeks@googlegroups.com.
>>> >> To unsubscribe from this group, send email to
>>> >> algogeeks+unsubscr...@googlegroups.com.
>>> >> For more options, visit this group at
>>> >> http://groups.google.com/group/algogeeks?hl=en.
>>> >>
>>> >>
>>> >
>>> > --
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>>> Groups
>>> > "Algorithm Geeks" group.
>>> > To post to this group, send email to algogeeks@googlegroups.com.
>>> > To unsubscribe from this group, send email to
>>> > algogeeks+unsubscr...@googlegroups.com.
>>> > For more options, visit this group at
>>> > http://groups.google.com/group/algogeeks?hl=en.
>>> >
>>> >
>>>
>>>
>>> --
>>> *Piyush Sinha*
>>> *IIIT, Allahabad*
>>> *+91-8792136657*
>>> *+91-7483122727*
>>> *https://www.facebook.com/profile.php?id=10655377926 *
>>>
>>> --
>>> You received this message because you are subscribed to the Google Groups
>>> "Algorithm Geeks" group.
>>> To post to this group, send email to algogeeks@googlegroups.com.
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>>> algogeeks+unsubscr...@googlegroups.com.
>>> For more options, visit this group at
>>> http://groups.google.com/group/algogeeks?hl=en.
>>>
>>>
>>
> --
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--
*Piyush Sinha*
*IIIT, Allahabad*
*+91-8792136657*
*+91-7483122727*
*https://www.facebook.com/profile.php?id=10655377926 *
--
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Re: [algogeeks] c doubt again
i mean how it working actually?
On Thu, Jun 23, 2011 at 8:06 PM, Anika Jain wrote:
> hey ya its working :) but whats the logic behind it??
>
>
> On Thu, Jun 23, 2011 at 7:52 PM, Piyush Sinha wrote:
>
>> sorry by mistake i added it in scanf situation..
>> actually this type of specifier can be used with printf statement for
>> finding the sum...
>>
>> look at the code below
>>
>> main()
>> {
>> int a=9;
>> int b=3;
>> printf("%d\n",printf("%*s%*s",a,"",b,""));
>> system("pause");
>> }
>>
>> On 6/23/11, Anika Jain wrote:
>> > thanx .. can u explain me how this is used in finding sum of 2 vars
>> without
>> > using + ??
>> >
>> >
>> > On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
>> > wrote:
>> >
>> >> An asterisk indicates that the data is to be retrieved from the use
>> >> but ignored, i.e. it is not stored in the corresponding
>> >> argument...hence the third value entered gets stored for b and for c
>> >> the output comes to garbage value
>> >>
>> >> One beautiful application of such type of implementation is in finding
>> >> the sum of 2 variables without using + operator..:)
>> >>
>> >> On 6/23/11, Anika Jain wrote:
>> >> > int main()
>> >> > {
>> >> >int a,b, c;
>> >> >scanf("%d%*d%d",&a,&b,&c);
>> >> >printf("%d %d %d",a,b,c);
>> >> > }
>> >> >
>> >> > output: 25 35 garbage
>> >> >
>> >> > how is it happening??
>> >> >
>> >> > --
>> >> > You received this message because you are subscribed to the Google
>> >> > Groups
>> >> > "Algorithm Geeks" group.
>> >> > To post to this group, send email to algogeeks@googlegroups.com.
>> >> > To unsubscribe from this group, send email to
>> >> > algogeeks+unsubscr...@googlegroups.com.
>> >> > For more options, visit this group at
>> >> > http://groups.google.com/group/algogeeks?hl=en.
>> >> >
>> >> >
>> >>
>> >>
>> >> --
>> >> *Piyush Sinha*
>> >> *IIIT, Allahabad*
>> >> *+91-8792136657*
>> >> *+91-7483122727*
>> >> *https://www.facebook.com/profile.php?id=10655377926 *
>> >>
>> >> --
>> >> You received this message because you are subscribed to the Google
>> Groups
>> >> "Algorithm Geeks" group.
>> >> To post to this group, send email to algogeeks@googlegroups.com.
>> >> To unsubscribe from this group, send email to
>> >> algogeeks+unsubscr...@googlegroups.com.
>> >> For more options, visit this group at
>> >> http://groups.google.com/group/algogeeks?hl=en.
>> >>
>> >>
>> >
>> > --
>> > You received this message because you are subscribed to the Google
>> Groups
>> > "Algorithm Geeks" group.
>> > To post to this group, send email to algogeeks@googlegroups.com.
>> > To unsubscribe from this group, send email to
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>> > For more options, visit this group at
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>>
>>
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>> *IIIT, Allahabad*
>> *+91-8792136657*
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Re: [algogeeks] c doubt again
@anika can u will please tell me the source of all dese questions,,
actually i am new to this all
nd getting to learn a lot..
thanks in anticipation
On Thu, Jun 23, 2011 at 7:52 PM, Piyush Sinha wrote:
> sorry by mistake i added it in scanf situation..
> actually this type of specifier can be used with printf statement for
> finding the sum...
>
> look at the code below
>
> main()
> {
> int a=9;
> int b=3;
> printf("%d\n",printf("%*s%*s",a,"",b,""));
> system("pause");
> }
>
> On 6/23/11, Anika Jain wrote:
> > thanx .. can u explain me how this is used in finding sum of 2 vars
> without
> > using + ??
> >
> >
> > On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
> > wrote:
> >
> >> An asterisk indicates that the data is to be retrieved from the use
> >> but ignored, i.e. it is not stored in the corresponding
> >> argument...hence the third value entered gets stored for b and for c
> >> the output comes to garbage value
> >>
> >> One beautiful application of such type of implementation is in finding
> >> the sum of 2 variables without using + operator..:)
> >>
> >> On 6/23/11, Anika Jain wrote:
> >> > int main()
> >> > {
> >> >int a,b, c;
> >> >scanf("%d%*d%d",&a,&b,&c);
> >> >printf("%d %d %d",a,b,c);
> >> > }
> >> >
> >> > output: 25 35 garbage
> >> >
> >> > how is it happening??
> >> >
> >> > --
> >> > You received this message because you are subscribed to the Google
> >> > Groups
> >> > "Algorithm Geeks" group.
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> >> >
> >> >
> >>
> >>
> >> --
> >> *Piyush Sinha*
> >> *IIIT, Allahabad*
> >> *+91-8792136657*
> >> *+91-7483122727*
> >> *https://www.facebook.com/profile.php?id=10655377926 *
> >>
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> >>
> >
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>
> --
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> *IIIT, Allahabad*
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Re: [algogeeks] c doubt again
hey ya its working :) but whats the logic behind it??
On Thu, Jun 23, 2011 at 7:52 PM, Piyush Sinha wrote:
> sorry by mistake i added it in scanf situation..
> actually this type of specifier can be used with printf statement for
> finding the sum...
>
> look at the code below
>
> main()
> {
> int a=9;
> int b=3;
> printf("%d\n",printf("%*s%*s",a,"",b,""));
> system("pause");
> }
>
> On 6/23/11, Anika Jain wrote:
> > thanx .. can u explain me how this is used in finding sum of 2 vars
> without
> > using + ??
> >
> >
> > On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
> > wrote:
> >
> >> An asterisk indicates that the data is to be retrieved from the use
> >> but ignored, i.e. it is not stored in the corresponding
> >> argument...hence the third value entered gets stored for b and for c
> >> the output comes to garbage value
> >>
> >> One beautiful application of such type of implementation is in finding
> >> the sum of 2 variables without using + operator..:)
> >>
> >> On 6/23/11, Anika Jain wrote:
> >> > int main()
> >> > {
> >> >int a,b, c;
> >> >scanf("%d%*d%d",&a,&b,&c);
> >> >printf("%d %d %d",a,b,c);
> >> > }
> >> >
> >> > output: 25 35 garbage
> >> >
> >> > how is it happening??
> >> >
> >> > --
> >> > You received this message because you are subscribed to the Google
> >> > Groups
> >> > "Algorithm Geeks" group.
> >> > To post to this group, send email to algogeeks@googlegroups.com.
> >> > To unsubscribe from this group, send email to
> >> > algogeeks+unsubscr...@googlegroups.com.
> >> > For more options, visit this group at
> >> > http://groups.google.com/group/algogeeks?hl=en.
> >> >
> >> >
> >>
> >>
> >> --
> >> *Piyush Sinha*
> >> *IIIT, Allahabad*
> >> *+91-8792136657*
> >> *+91-7483122727*
> >> *https://www.facebook.com/profile.php?id=10655377926 *
> >>
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> >>
> >
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> >
>
>
> --
> *Piyush Sinha*
> *IIIT, Allahabad*
> *+91-8792136657*
> *+91-7483122727*
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Re: [algogeeks] c doubt again
sorry by mistake i added it in scanf situation..
actually this type of specifier can be used with printf statement for
finding the sum...
look at the code below
main()
{
int a=9;
int b=3;
printf("%d\n",printf("%*s%*s",a,"",b,""));
system("pause");
}
On 6/23/11, Anika Jain wrote:
> thanx .. can u explain me how this is used in finding sum of 2 vars without
> using + ??
>
>
> On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha
> wrote:
>
>> An asterisk indicates that the data is to be retrieved from the use
>> but ignored, i.e. it is not stored in the corresponding
>> argument...hence the third value entered gets stored for b and for c
>> the output comes to garbage value
>>
>> One beautiful application of such type of implementation is in finding
>> the sum of 2 variables without using + operator..:)
>>
>> On 6/23/11, Anika Jain wrote:
>> > int main()
>> > {
>> >int a,b, c;
>> >scanf("%d%*d%d",&a,&b,&c);
>> >printf("%d %d %d",a,b,c);
>> > }
>> >
>> > output: 25 35 garbage
>> >
>> > how is it happening??
>> >
>> > --
>> > You received this message because you are subscribed to the Google
>> > Groups
>> > "Algorithm Geeks" group.
>> > To post to this group, send email to algogeeks@googlegroups.com.
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>> > algogeeks+unsubscr...@googlegroups.com.
>> > For more options, visit this group at
>> > http://groups.google.com/group/algogeeks?hl=en.
>> >
>> >
>>
>>
>> --
>> *Piyush Sinha*
>> *IIIT, Allahabad*
>> *+91-8792136657*
>> *+91-7483122727*
>> *https://www.facebook.com/profile.php?id=10655377926 *
>>
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>>
>
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Re: [algogeeks] c doubt again
thanx .. can u explain me how this is used in finding sum of 2 vars without
using + ??
On Thu, Jun 23, 2011 at 7:20 PM, Piyush Sinha wrote:
> An asterisk indicates that the data is to be retrieved from the use
> but ignored, i.e. it is not stored in the corresponding
> argument...hence the third value entered gets stored for b and for c
> the output comes to garbage value
>
> One beautiful application of such type of implementation is in finding
> the sum of 2 variables without using + operator..:)
>
> On 6/23/11, Anika Jain wrote:
> > int main()
> > {
> >int a,b, c;
> >scanf("%d%*d%d",&a,&b,&c);
> >printf("%d %d %d",a,b,c);
> > }
> >
> > output: 25 35 garbage
> >
> > how is it happening??
> >
> > --
> > You received this message because you are subscribed to the Google Groups
> > "Algorithm Geeks" group.
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> > For more options, visit this group at
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> >
> >
>
>
> --
> *Piyush Sinha*
> *IIIT, Allahabad*
> *+91-8792136657*
> *+91-7483122727*
> *https://www.facebook.com/profile.php?id=10655377926 *
>
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Re: [algogeeks] c doubt again
An asterisk indicates that the data is to be retrieved from the use
but ignored, i.e. it is not stored in the corresponding
argument...hence the third value entered gets stored for b and for c
the output comes to garbage value
One beautiful application of such type of implementation is in finding
the sum of 2 variables without using + operator..:)
On 6/23/11, Anika Jain wrote:
> int main()
> {
>int a,b, c;
>scanf("%d%*d%d",&a,&b,&c);
>printf("%d %d %d",a,b,c);
> }
>
> output: 25 35 garbage
>
> how is it happening??
>
> --
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>
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[algogeeks] c doubt again
int main()
{
int a,b, c;
scanf("%d%*d%d",&a,&b,&c);
printf("%d %d %d",a,b,c);
}
output: 25 35 garbage
how is it happening??
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Re: [algogeeks] c doubt
You didn't understand my question... Why is sizeof() interpreting a "constant character literal" as ascii??? -- *Regards,* *Piyush Kapoor,* *CSE-IT-BHU* -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c doubt
@piyush Because of its interpretation as ascii .The character's ascii value
is taken into account which is an integer .
On Thu, Jun 23, 2011 at 6:32 PM, piyush kapoor wrote:
> int main()
> {
> char a;
> printf("%d %d",sizeof(a),sizeof('a'));
> return 0;
> }
> Output:
> 1 4
>
> why does the expression sizeof('a') evaluates it as an integer,not as a
> character??
> --
> *Regards,*
> *Piyush Kapoor,*
> *CSE-IT-BHU*
>
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Re: [algogeeks] c doubt
int main()
{
char a;
printf("%d %d",sizeof(a),sizeof('a'));
return 0;
}
Output:
1 4
why does the expression sizeof('a') evaluates it as an integer,not as a
character??
--
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*Piyush Kapoor,*
*CSE-IT-BHU*
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