Re: [algogeeks] C QUESTION???
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Re: [algogeeks] C QUESTION???
@utkarsh n tejbala ...thnx..4 d info. Regards, Payal gupta, 3rd year,cse, NIT-Bhopal On Sat, Jan 7, 2012 at 9:30 AM, teja bala wrote: > ## concatenating operator > > > On Sat, Jan 7, 2012 at 9:01 AM, UTKARSH SRIVASTAV > wrote: > >> yes payal read a standard c book like dennis ritchie ... these are >> the best source >> >> >> On Sat, Jan 7, 2012 at 1:53 AM, payal gupta wrote: >> >>> @parag thnx... >>> btw is dere ny source dat has ny info bout it?? >>> >>> Regards, >>> Payal Gupta, >>> 3rd year, >>> NIT-Bhopal >>> >>> >>> On Sat, Jan 7, 2012 at 12:36 AM, parag khanna >>> wrote: >>> On Sat, Jan 7, 2012 at 12:36 AM, parag khanna >>> > wrote: > > it joins the variables together ... for eg 1##2 = 12 or a##b=ab > > > > > > > -- > *Parag Khanna > B.tech Final Year > NIT,Kurukshetra* > -- *Parag Khanna B.tech Final Year NIT,Kurukshetra* -- 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. >>> >> >> >> >> -- >> *UTKARSH SRIVASTAV >> CSE-3 >> B-Tech 3rd Year >> @MNNIT ALLAHABAD* >> >> >> -- >> 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 QUESTION???
## concatenating operator On Sat, Jan 7, 2012 at 9:01 AM, UTKARSH SRIVASTAV wrote: > yes payal read a standard c book like dennis ritchie ... these are the > best source > > > On Sat, Jan 7, 2012 at 1:53 AM, payal gupta wrote: > >> @parag thnx... >> btw is dere ny source dat has ny info bout it?? >> >> Regards, >> Payal Gupta, >> 3rd year, >> NIT-Bhopal >> >> >> On Sat, Jan 7, 2012 at 12:36 AM, parag khanna >> wrote: >> >>> >>> >>> On Sat, Jan 7, 2012 at 12:36 AM, parag khanna >>> wrote: >>> it joins the variables together ... for eg 1##2 = 12 or a##b=ab >>> >>> -- *Parag Khanna B.tech Final Year NIT,Kurukshetra* >>> >>> >>> >>> -- >>> *Parag Khanna >>> B.tech Final Year >>> NIT,Kurukshetra* >>> >>> -- >>> 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. >> > > > > -- > *UTKARSH SRIVASTAV > CSE-3 > B-Tech 3rd Year > @MNNIT ALLAHABAD* > > > -- > 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 QUESTION???
yes payal read a standard c book like dennis ritchie ... these are the best source On Sat, Jan 7, 2012 at 1:53 AM, payal gupta wrote: > @parag thnx... > btw is dere ny source dat has ny info bout it?? > > Regards, > Payal Gupta, > 3rd year, > NIT-Bhopal > > > On Sat, Jan 7, 2012 at 12:36 AM, parag khanna wrote: > >> >> >> On Sat, Jan 7, 2012 at 12:36 AM, parag khanna >> wrote: >> >>> >>> it joins the variables together ... for eg 1##2 = 12 or a##b=ab >>> >> >> >>> >>> >>> >>> >>> >>> -- >>> *Parag Khanna >>> B.tech Final Year >>> NIT,Kurukshetra* >>> >> >> >> >> -- >> *Parag Khanna >> B.tech Final Year >> NIT,Kurukshetra* >> >> -- >> 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. > -- *UTKARSH SRIVASTAV CSE-3 B-Tech 3rd Year @MNNIT ALLAHABAD* -- 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 QUESTION???
@parag thnx... btw is dere ny source dat has ny info bout it?? Regards, Payal Gupta, 3rd year, NIT-Bhopal On Sat, Jan 7, 2012 at 12:36 AM, parag khanna wrote: > > > On Sat, Jan 7, 2012 at 12:36 AM, parag khanna wrote: > >> >> it joins the variables together ... for eg 1##2 = 12 or a##b=ab >> > > >> >> >> >> >> >> -- >> *Parag Khanna >> B.tech Final Year >> NIT,Kurukshetra* >> > > > > -- > *Parag Khanna > B.tech Final Year > NIT,Kurukshetra* > > -- > 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 QUESTION???
On Sat, Jan 7, 2012 at 12:36 AM, parag khanna wrote: > > it joins the variables together ... for eg 1##2 = 12 or a##b=ab > > > > > > > -- > *Parag Khanna > B.tech Final Year > NIT,Kurukshetra* > -- *Parag Khanna B.tech Final Year NIT,Kurukshetra* -- 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 QUESTION???
it joins the variables together ... for eg 1##2 = 12 -- *Parag Khanna B.tech Final Year NIT,Kurukshetra* -- 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 QUESTION???
Wat is the use of ## in define??
#include
#define f(g,g2) g##g2
void main()
{
int var12 =100;
printf("%d",f(var,12));
}
o/p :100
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Re: [algogeeks] c question
when u pass array as an argument to a function only the starting address is
passed .so sizeof(a) is address of pointer !
On Sat, Sep 3, 2011 at 6:22 PM, priya ramesh wrote:
> In any C program,
> int main(){
> char a[100];
> foo(a);
> printf("%d", sizeof(a));
> }
> foo(char *s){
> printf("%d", sizeof(a));
> }
>
> In main sizeof a is 100, in foo it is 4. why??
>
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Re: [algogeeks] c question
Isn't it obvious now? -- 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 question
ok i got this point. Plz answer this, s is a pointer in foo and a is also a constant pointer in main. (a is passed to foo) However, in main a is treated as an rvalue and in s the same pointer is an lvalue. why?? -- 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 question
See, a is defined in main() therefore its scope is limited to main(). It is stored probably in main()'s stack When you pass it to a function as a pointer. You don't make a copy of 'a' onto the function's stack. The only way you can view, manipulate it is using a pointer, and that pointer is your only reference to the value that is stored somewhere else. That's why. -- 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 question
As declaration of a[100] is defined in main function so main function print
100 , but foo() only know a pointer to a char data type that is why it print
4 in function foo()
correct me if i am wrong!
On Sat, Sep 3, 2011 at 6:52 PM, UTKARSH SRIVASTAV
wrote:
> char *p,char [] are both same they both have size 4
>
>
> On Sat, Sep 3, 2011 at 6:18 AM, himanshu kansal <
> himanshukansal...@gmail.com> wrote:
>
>> array is always given a special treatment...its nt a constant
>> ptrits an array means 100 bytes r resrvd for it
>> for this i think u mst go thru pointers in c and ritchi books.
>>
>>
>> On Sat, Sep 3, 2011 at 6:41 PM, priya ramesh <
>> love.for.programm...@gmail.com> wrote:
>>
>>> foo(char []s){
>>> printf("%d", sizeof(s));
>>> }
>>>
>>> even now it prints 4.
>>> My point is s pointer in foo and a is also a constant pointer in main. (a
>>> is passed to foo)
>>> However, in main a is treated as an rvalue and in s the same pointer is
>>> an lvalue. why??
>>>
>>> Someone plz reply. It's urgent
>>>
>>> --
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>>>
>>
>>
>>
>> --
>>
>>Regards
>> Himanshu Kansal
>>Msc Comp. sc.
>> (University of Delhi)
>>
>>
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>
>
>
> --
> *UTKARSH SRIVASTAV
> CSE-3
> B-Tech 3rd Year
> @MNNIT ALLAHABAD*
>
>
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Re: [algogeeks] c question
char *p,char [] are both same they both have size 4
On Sat, Sep 3, 2011 at 6:18 AM, himanshu kansal wrote:
> array is always given a special treatment...its nt a constant
> ptrits an array means 100 bytes r resrvd for it
> for this i think u mst go thru pointers in c and ritchi books.
>
>
> On Sat, Sep 3, 2011 at 6:41 PM, priya ramesh <
> love.for.programm...@gmail.com> wrote:
>
>> foo(char []s){
>> printf("%d", sizeof(s));
>> }
>>
>> even now it prints 4.
>> My point is s pointer in foo and a is also a constant pointer in main. (a
>> is passed to foo)
>> However, in main a is treated as an rvalue and in s the same pointer is an
>> lvalue. why??
>>
>> Someone plz reply. It's urgent
>>
>> --
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>> "Algorithm Geeks" group.
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>>
>
>
>
> --
>
>Regards
> Himanshu Kansal
>Msc Comp. sc.
> (University of Delhi)
>
>
> --
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CSE-3
B-Tech 3rd Year
@MNNIT ALLAHABAD*
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Re: [algogeeks] c question
array is always given a special treatment...its nt a constant ptrits
an array means 100 bytes r resrvd for it
for this i think u mst go thru pointers in c and ritchi books.
On Sat, Sep 3, 2011 at 6:41 PM, priya ramesh wrote:
> foo(char []s){
> printf("%d", sizeof(s));
> }
>
> even now it prints 4.
> My point is s pointer in foo and a is also a constant pointer in main. (a
> is passed to foo)
> However, in main a is treated as an rvalue and in s the same pointer is an
> lvalue. why??
>
> Someone plz reply. It's urgent
>
> --
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>
--
Regards
Himanshu Kansal
Msc Comp. sc.
(University of Delhi)
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Re: [algogeeks] c question
foo(char []s){
printf("%d", sizeof(s));
}
even now it prints 4.
My point is s pointer in foo and a is also a constant pointer in main. (a is
passed to foo)
However, in main a is treated as an rvalue and in s the same pointer is an
lvalue. why??
Someone plz reply. It's urgent
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Re: [algogeeks] c question
foo(char *s){
printf("%d", sizeof(s)); // correction
}
in this function foo s is a pointer so it print size of pointer which is 4 .
On Sat, Sep 3, 2011 at 6:22 PM, priya ramesh wrote:
> In any C program,
> int main(){
> char a[100];
> foo(a);
> printf("%d", sizeof(a));
> }
> foo(char *s){
> printf("%d", sizeof(a));
> }
>
> In main sizeof a is 100, in foo it is 4. why??
>
> --
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[algogeeks] c question
In any C program,
int main(){
char a[100];
foo(a);
printf("%d", sizeof(a));
}
foo(char *s){
printf("%d", sizeof(a));
}
In main sizeof a is 100, in foo it is 4. why??
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Re: [algogeeks] C-question
Thank,,,Now got it.
On Tue, Aug 23, 2011 at 11:22 AM, nagarajan wrote:
> Hi Vijay,
>
> i = 10 < 10 < 5
>
> => 0 < 5
>
> => 1
>
> On Tue, Aug 23, 2011 at 11:03 AM, Vijay Khandar
> wrote:
>
>> main()
>> {
>> int x=10,y=10,z=5;
>> int i=x> pf("\n%d",i);
>>
>> }
>> o/p is 1 .pls any1 explain me hw is it printing?
>>
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>
>
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>
>
> Nagarajan S
>
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Re: [algogeeks] C-question
Hi Vijay,
i = 10 < 10 < 5
=> 0 < 5
=> 1
On Tue, Aug 23, 2011 at 11:03 AM, Vijay Khandar wrote:
> main()
> {
> int x=10,y=10,z=5;
> int i=x pf("\n%d",i);
>
> }
> o/p is 1 .pls any1 explain me hw is it printing?
>
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[algogeeks] C-question
main()
{
int x=10,y=10,z=5;
int i=xhttp://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] c question
it can also be understood as, range of signed integers are -2^(no. of bits-1) to 2^(no. of bits-1)-1 so here is only one bit so its range will be from -1 to 0. that's why storing 1 means -1. -- 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/-/Xwqu8zxk3RkJ. 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 question
thnx:)
On Sun, Aug 21, 2011 at 9:26 AM, Sanjay Rajpal wrote:
> See you are considering one bit of bit1, and printing it as signed integer.
> So what i think is that '1' bit will be treated as while treating
> it as Signed Integer, and this is the binary representation of
> -1. Hence the result.
>
> If you write it as unsigned int bit1:1, the result is 122. So my argument
> is correct.
>
> Try this and let me know.
>
> Correct me If m wrong.
> Sanju
> :)
>
>
>
> On Sat, Aug 20, 2011 at 8:44 PM, sukran dhawan wrote:
>
>> only one bit is reserved for it.so the binary representation is 1.since
>> only one bit is present,
>> that bit becomes sign nit and hence -1
>>
>> On Sun, Aug 21, 2011 at 8:07 AM, saurabh singh wrote:
>>
>>> Read bit field
>>>
>>>
>>> On Sun, Aug 21, 2011 at 2:44 AM, Nitin wrote:
>>>
#include
main()
{
struct value
{
int bit1:1;
int bit2:4;
int bit3:4;
}bit={1,2,2};
printf("%d%d%d",bit.bit1,bit.bit2,bit.bit3);
}
output is -1,2,2;
can anybody tell me the reason that y it is giving -1 ??
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Re: [algogeeks] C-Question
Thanks puneet ... On Sun, Aug 21, 2011 at 6:01 PM, Puneet Chawla wrote: > forgot to mention last byte 00 then 2nd last 00 and so on AC then 40 > > > On Sun, Aug 21, 2011 at 6:00 PM, Puneet Chawla > wrote: > >> Compiler is little endian so as u have typecasted it to char pointer then >> 0100 1010 1100 means 4 0 A C 0 0 0 0 it will show >> o/p byte by byte from LSB. >> >> >> On Sun, Aug 21, 2011 at 5:47 PM, Vijay Khandar >> wrote: >> >>> Thank u very much Abhishek for this link, Now I got it ...But >>> also u explain me in following.. >>> 5.375 is represents 0100 1010 1100 means 4 0 A C >>> 0 0 0 0in Hex now how it prints 00 00 AC 40 means can it accepts fm right to >>> left or L to R I m little bit confusing in p[0] p[1] p[2]and p[3] >>> how these r printing 0 0 AC 40plz Explain >>> On Sun, Aug 21, 2011 at 4:57 PM, Abhishek < >>> mailatabhishekgu...@gmail.com> wrote: >>> check this link.. http://en.wikipedia.org/wiki/Single_precision_floating-point_format -- 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/-/OTIkO_pXQMgJ. 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. >>> >> >> >> >> -- >> With regards >> >> Puneet >> > > > > -- > With regards > > Puneet Chawla > Computer Engineering Student > NIT Kurukshetra > > -- > 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-Question
I was thinking the same ..byte by byte from R to L thank u very muchNow i have got it..On Sun, Aug 21, 2011 at 6:01 PM, Puneet Chawla wrote: > forgot to mention last byte 00 then 2nd last 00 and so on AC then 40 > > > On Sun, Aug 21, 2011 at 6:00 PM, Puneet Chawla > wrote: > >> Compiler is little endian so as u have typecasted it to char pointer then >> 0100 1010 1100 means 4 0 A C 0 0 0 0 it will show >> o/p byte by byte from LSB. >> >> >> On Sun, Aug 21, 2011 at 5:47 PM, Vijay Khandar >> wrote: >> >>> Thank u very much Abhishek for this link, Now I got it ...But >>> also u explain me in following.. >>> 5.375 is represents 0100 1010 1100 means 4 0 A C >>> 0 0 0 0in Hex now how it prints 00 00 AC 40 means can it accepts fm right to >>> left or L to R I m little bit confusing in p[0] p[1] p[2]and p[3] >>> how these r printing 0 0 AC 40plz Explain >>> On Sun, Aug 21, 2011 at 4:57 PM, Abhishek < >>> mailatabhishekgu...@gmail.com> wrote: >>> check this link.. http://en.wikipedia.org/wiki/Single_precision_floating-point_format -- 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/-/OTIkO_pXQMgJ. 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. >>> >> >> >> >> -- >> With regards >> >> Puneet >> > > > > -- > With regards > > Puneet Chawla > Computer Engineering Student > NIT Kurukshetra > > -- > 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-Question
forgot to mention last byte 00 then 2nd last 00 and so on AC then 40 On Sun, Aug 21, 2011 at 6:00 PM, Puneet Chawla wrote: > Compiler is little endian so as u have typecasted it to char pointer then > 0100 1010 1100 means 4 0 A C 0 0 0 0 it will show > o/p byte by byte from LSB. > > > On Sun, Aug 21, 2011 at 5:47 PM, Vijay Khandar wrote: > >> Thank u very much Abhishek for this link, Now I got it ...But also >> u explain me in following.. >> 5.375 is represents 0100 1010 1100 means 4 0 A C >> 0 0 0 0in Hex now how it prints 00 00 AC 40 means can it accepts fm right to >> left or L to R I m little bit confusing in p[0] p[1] p[2]and p[3] >> how these r printing 0 0 AC 40plz Explain >> On Sun, Aug 21, 2011 at 4:57 PM, Abhishek > > wrote: >> >>> check this link.. >>> http://en.wikipedia.org/wiki/Single_precision_floating-point_format >>> >>> -- >>> 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/-/OTIkO_pXQMgJ. >>> >>> 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. >> > > > > -- > With regards > > Puneet > -- With regards Puneet Chawla Computer Engineering Student NIT Kurukshetra -- 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-Question
Compiler is little endian so as u have typecasted it to char pointer then 0100 1010 1100 means 4 0 A C 0 0 0 0 it will show o/p byte by byte from LSB. On Sun, Aug 21, 2011 at 5:47 PM, Vijay Khandar wrote: > Thank u very much Abhishek for this link, Now I got it ...But also > u explain me in following.. > 5.375 is represents 0100 1010 1100 means 4 0 A C 0 > 0 0 0in Hex now how it prints 00 00 AC 40 means can it accepts fm right to > left or L to R I m little bit confusing in p[0] p[1] p[2]and p[3] > how these r printing 0 0 AC 40plz Explain > On Sun, Aug 21, 2011 at 4:57 PM, Abhishek > wrote: > >> check this link.. >> http://en.wikipedia.org/wiki/Single_precision_floating-point_format >> >> -- >> 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/-/OTIkO_pXQMgJ. >> >> 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. > -- With regards Puneet -- 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-Question
Thank u very much Abhishek for this link, Now I got it ...But also u explain me in following.. 5.375 is represents 0100 1010 1100 means 4 0 A C 0 0 0 0in Hex now how it prints 00 00 AC 40 means can it accepts fm right to left or L to R I m little bit confusing in p[0] p[1] p[2]and p[3] how these r printing 0 0 AC 40plz Explain On Sun, Aug 21, 2011 at 4:57 PM, Abhishek wrote: > check this link.. > http://en.wikipedia.org/wiki/Single_precision_floating-point_format > > -- > 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/-/OTIkO_pXQMgJ. > > 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-Question
check this link.. http://en.wikipedia.org/wiki/Single_precision_floating-point_format -- 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/-/OTIkO_pXQMgJ. 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 question what is output?
Nopes, its a funda of PRE-PROCESSOR directives.
Look before the object code is generated for the program, all the occurences
of the MACROs are replaced with their expansions as such as in the
definition.
So what u r doing is completely wrong.
For more info on MACROs, refer any text book of C.
Sanju
:)
On Sun, Aug 21, 2011 at 4:05 AM, Ayswarya Srinivasan
wrote:
> doesn it work like below ?
>
>
>
> func2(8)= 8 * func1(7)
>
> func1(7)= 7*6
>
> so i=8*7*6???
>
>
>
> On Sun, Aug 21, 2011 at 3:58 PM, Sanjay Rajpal wrote:
>
>> +1 to sagar
>> Sanju
>> :)
>>
>>
>>
>> On Sun, Aug 21, 2011 at 3:26 AM, sagar pareek wrote:
>>
>>> FUNC2(i) = i==0?i*(i-1*(i-1-1))
>>>
>>> 8==0?1:8*(8-1*(8-1-1))
>>> 8==0?1:8*(8-6)
>>> 8==0?1:8*2
>>> 8==0?1:16
>>>
>>> hence it will return 16
>>>
>>>
>>> On Sun, Aug 21, 2011 at 11:40 AM, SuDhir mIsHra <
>>> sudhir08.mis...@gmail.com> wrote:
>>>
#include
#define FUNC1(i) (i*(i-1))
#define FUNC2(i) (i==0?1:i*FUNC1(i-1))
main()
{
int i=8;
printf("\n%d",FUNC2(i));
}
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>>>
>>>
>>>
>>> --
>>> **Regards
>>> SAGAR PAREEK
>>> COMPUTER SCIENCE AND ENGINEERING
>>> NIT ALLAHABAD
>>>
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>
>
>
> --
> Regards,
> Ayswarya S
>
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Re: [algogeeks] c question what is output?
doesn it work like below ?
func2(8)= 8 * func1(7)
func1(7)= 7*6
so i=8*7*6???
On Sun, Aug 21, 2011 at 3:58 PM, Sanjay Rajpal wrote:
> +1 to sagar
> Sanju
> :)
>
>
>
> On Sun, Aug 21, 2011 at 3:26 AM, sagar pareek wrote:
>
>> FUNC2(i) = i==0?i*(i-1*(i-1-1))
>>
>> 8==0?1:8*(8-1*(8-1-1))
>> 8==0?1:8*(8-6)
>> 8==0?1:8*2
>> 8==0?1:16
>>
>> hence it will return 16
>>
>>
>> On Sun, Aug 21, 2011 at 11:40 AM, SuDhir mIsHra <
>> sudhir08.mis...@gmail.com> wrote:
>>
>>> #include
>>> #define FUNC1(i) (i*(i-1))
>>> #define FUNC2(i) (i==0?1:i*FUNC1(i-1))
>>> main()
>>> {
>>> int i=8;
>>>
>>>
>>> printf("\n%d",FUNC2(i));
>>> }
>>>
>>> --
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>>
>>
>>
>> --
>> **Regards
>> SAGAR PAREEK
>> COMPUTER SCIENCE AND ENGINEERING
>> NIT ALLAHABAD
>>
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Re: [algogeeks] c question what is output?
+1 to sagar
Sanju
:)
On Sun, Aug 21, 2011 at 3:26 AM, sagar pareek wrote:
> FUNC2(i) = i==0?i*(i-1*(i-1-1))
>
> 8==0?1:8*(8-1*(8-1-1))
> 8==0?1:8*(8-6)
> 8==0?1:8*2
> 8==0?1:16
>
> hence it will return 16
>
>
> On Sun, Aug 21, 2011 at 11:40 AM, SuDhir mIsHra > wrote:
>
>> #include
>> #define FUNC1(i) (i*(i-1))
>> #define FUNC2(i) (i==0?1:i*FUNC1(i-1))
>> main()
>> {
>> int i=8;
>>
>>
>> printf("\n%d",FUNC2(i));
>> }
>>
>> --
>> You received this message because you are subscribed to the Google Groups
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>
>
>
> --
> **Regards
> SAGAR PAREEK
> COMPUTER SCIENCE AND ENGINEERING
> NIT ALLAHABAD
>
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Re: [algogeeks] c question what is output?
FUNC2(i) = i==0?i*(i-1*(i-1-1))
8==0?1:8*(8-1*(8-1-1))
8==0?1:8*(8-6)
8==0?1:8*2
8==0?1:16
hence it will return 16
On Sun, Aug 21, 2011 at 11:40 AM, SuDhir mIsHra
wrote:
> #include
> #define FUNC1(i) (i*(i-1))
> #define FUNC2(i) (i==0?1:i*FUNC1(i-1))
> main()
> {
> int i=8;
>
>
> printf("\n%d",FUNC2(i));
> }
>
> --
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SAGAR PAREEK
COMPUTER SCIENCE AND ENGINEERING
NIT ALLAHABAD
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[algogeeks] c question what is output?
#include
#define FUNC1(i) (i*(i-1))
#define FUNC2(i) (i==0?1:i*FUNC1(i-1))
main()
{
int i=8;
printf("\n%d",FUNC2(i));
}
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Re: [algogeeks] C-Question
Can you explain me shortly how 5.375 is converted into normalised
form...How to find mantissa and Exponent in this case? Plz Explain
meVijay
On Sun, Aug 21, 2011 at 1:25 PM, Rahul Tiwari wrote:
>
>
> On Sun, Aug 21, 2011 at 11:11 AM, Rahul Tiwari
> wrote:
>
>> @vijay
>> u take normalised form of 5.375 wrong .
>> actual normalised form of 5.375 = 0100 1010 1100
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Sun, Aug 21, 2011 at 10:12 AM, Vijay Khandar
>> wrote:
>>
>>> but why only o/p-00 00 AC 40 and not AC 40 00 00 or 00 AC 40 00 or 40 AC
>>> 00 00etc , plz explain in detail how p[0] pts to 00 and p[1] pts to 00 and
>>> p[2] pts AC or 1010 1100 and p[3] pts to 40 or 0100 ONLY in this
>>> way..Vijay Khandar...
>>>
>>>
>>> On Sat, Aug 20, 2011 at 12:31 PM, Dipankar Patro wrote:
>>>
float is 4 bytes.
so a=3.75 will be stored in 4 bytes in memory.
the moment you have a pointer referring to the same memory location but
type cast to (char *), the pointer will refer to character i.e. 1 byte.
^^ this explains the p[0] , p[1], p[2], p[3] <- 4 bytes of the 3.75
now finally the o/p
00 00 AC 40
^^ it is in little endian format. i.e the data bytes are stored in
memory is reverse format.
On 20 August 2011 11:21, Vijay Khandar wrote:
> If the binary equivalent of 5.375 in normalised form is - 0100
> 1010 1100
>
> what is the o/p of following code-
> main()
> {
> float a=5.375;
> char *p;
> int i;
> p=(char *)&a;
> for(i=0;i<=3;i++)
> printf("%02X",(unsigned char)p[i]);
> }
>
> O/P= 00 00 AC 40
> Plz, Plz anyone explain me in detail, how this o/p is coming?
> Vijay..
>
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Re: [algogeeks] C-Question
On Sun, Aug 21, 2011 at 11:11 AM, Rahul Tiwari wrote:
> @vijay
> u take normalised form of 5.375 wrong .
> actual normalised form of 5.375 = 0100 1010 1100
>
>
>
>
>
>
>
>
>
> On Sun, Aug 21, 2011 at 10:12 AM, Vijay Khandar
> wrote:
>
>> but why only o/p-00 00 AC 40 and not AC 40 00 00 or 00 AC 40 00 or 40 AC
>> 00 00etc , plz explain in detail how p[0] pts to 00 and p[1] pts to 00 and
>> p[2] pts AC or 1010 1100 and p[3] pts to 40 or 0100 ONLY in this
>> way..Vijay Khandar...
>>
>>
>> On Sat, Aug 20, 2011 at 12:31 PM, Dipankar Patro wrote:
>>
>>> float is 4 bytes.
>>> so a=3.75 will be stored in 4 bytes in memory.
>>>
>>> the moment you have a pointer referring to the same memory location but
>>> type cast to (char *), the pointer will refer to character i.e. 1 byte.
>>> ^^ this explains the p[0] , p[1], p[2], p[3] <- 4 bytes of the 3.75
>>>
>>> now finally the o/p
>>> 00 00 AC 40
>>> ^^ it is in little endian format. i.e the data bytes are stored in memory
>>> is reverse format.
>>>
>>> On 20 August 2011 11:21, Vijay Khandar wrote:
>>>
If the binary equivalent of 5.375 in normalised form is - 0100
1010 1100
what is the o/p of following code-
main()
{
float a=5.375;
char *p;
int i;
p=(char *)&a;
for(i=0;i<=3;i++)
printf("%02X",(unsigned char)p[i]);
}
O/P= 00 00 AC 40
Plz, Plz anyone explain me in detail, how this o/p is coming?
Vijay..
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Re: [algogeeks] C-Question
@vijay
u take normalised form of 5.375 wrong .
actual normalised form of 5.375 = 0100 1000 1010 1100
On Sun, Aug 21, 2011 at 10:12 AM, Vijay Khandar wrote:
> but why only o/p-00 00 AC 40 and not AC 40 00 00 or 00 AC 40 00 or 40 AC 00
> 00etc , plz explain in detail how p[0] pts to 00 and p[1] pts to 00 and p[2]
> pts AC or 1010 1100 and p[3] pts to 40 or 0100 ONLY in this
> way..Vijay Khandar...
>
>
> On Sat, Aug 20, 2011 at 12:31 PM, Dipankar Patro wrote:
>
>> float is 4 bytes.
>> so a=3.75 will be stored in 4 bytes in memory.
>>
>> the moment you have a pointer referring to the same memory location but
>> type cast to (char *), the pointer will refer to character i.e. 1 byte.
>> ^^ this explains the p[0] , p[1], p[2], p[3] <- 4 bytes of the 3.75
>>
>> now finally the o/p
>> 00 00 AC 40
>> ^^ it is in little endian format. i.e the data bytes are stored in memory
>> is reverse format.
>>
>> On 20 August 2011 11:21, Vijay Khandar wrote:
>>
>>> If the binary equivalent of 5.375 in normalised form is - 0100
>>> 1010 1100
>>>
>>> what is the o/p of following code-
>>> main()
>>> {
>>> float a=5.375;
>>> char *p;
>>> int i;
>>> p=(char *)&a;
>>> for(i=0;i<=3;i++)
>>> printf("%02X",(unsigned char)p[i]);
>>> }
>>>
>>> O/P= 00 00 AC 40
>>> Plz, Plz anyone explain me in detail, how this o/p is coming?
>>> Vijay..
>>>
>>> --
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>>
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Re: [algogeeks] C-Question
but why only o/p-00 00 AC 40 and not AC 40 00 00 or 00 AC 40 00 or 40 AC 00
00etc , plz explain in detail how p[0] pts to 00 and p[1] pts to 00 and p[2]
pts AC or 1010 1100 and p[3] pts to 40 or 0100 ONLY in this
way..Vijay Khandar...
On Sat, Aug 20, 2011 at 12:31 PM, Dipankar Patro wrote:
> float is 4 bytes.
> so a=3.75 will be stored in 4 bytes in memory.
>
> the moment you have a pointer referring to the same memory location but
> type cast to (char *), the pointer will refer to character i.e. 1 byte.
> ^^ this explains the p[0] , p[1], p[2], p[3] <- 4 bytes of the 3.75
>
> now finally the o/p
> 00 00 AC 40
> ^^ it is in little endian format. i.e the data bytes are stored in memory
> is reverse format.
>
> On 20 August 2011 11:21, Vijay Khandar wrote:
>
>> If the binary equivalent of 5.375 in normalised form is - 0100
>> 1010 1100
>>
>> what is the o/p of following code-
>> main()
>> {
>> float a=5.375;
>> char *p;
>> int i;
>> p=(char *)&a;
>> for(i=0;i<=3;i++)
>> printf("%02X",(unsigned char)p[i]);
>> }
>>
>> O/P= 00 00 AC 40
>> Plz, Plz anyone explain me in detail, how this o/p is coming?
>> Vijay..
>>
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Re: [algogeeks] c question
See you are considering one bit of bit1, and printing it as signed integer.
So what i think is that '1' bit will be treated as while treating
it as Signed Integer, and this is the binary representation of
-1. Hence the result.
If you write it as unsigned int bit1:1, the result is 122. So my argument is
correct.
Try this and let me know.
Correct me If m wrong.
Sanju
:)
On Sat, Aug 20, 2011 at 8:44 PM, sukran dhawan wrote:
> only one bit is reserved for it.so the binary representation is 1.since
> only one bit is present,
> that bit becomes sign nit and hence -1
>
> On Sun, Aug 21, 2011 at 8:07 AM, saurabh singh wrote:
>
>> Read bit field
>>
>>
>> On Sun, Aug 21, 2011 at 2:44 AM, Nitin wrote:
>>
>>> #include
>>> main()
>>> {
>>> struct value
>>> {
>>> int bit1:1;
>>> int bit2:4;
>>> int bit3:4;
>>> }bit={1,2,2};
>>> printf("%d%d%d",bit.bit1,bit.bit2,bit.bit3);
>>> }
>>>
>>> output is -1,2,2;
>>> can anybody tell me the reason that y it is giving -1 ??
>>>
>>>
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Re: [algogeeks] c question
only one bit is reserved for it.so the binary representation is 1.since only
one bit is present,
that bit becomes sign nit and hence -1
On Sun, Aug 21, 2011 at 8:07 AM, saurabh singh wrote:
> Read bit field
>
>
> On Sun, Aug 21, 2011 at 2:44 AM, Nitin wrote:
>
>> #include
>> main()
>> {
>> struct value
>> {
>> int bit1:1;
>> int bit2:4;
>> int bit3:4;
>> }bit={1,2,2};
>> printf("%d%d%d",bit.bit1,bit.bit2,bit.bit3);
>> }
>>
>> output is -1,2,2;
>> can anybody tell me the reason that y it is giving -1 ??
>>
>>
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Re: [algogeeks] c question
Read bit field
On Sun, Aug 21, 2011 at 2:44 AM, Nitin wrote:
> #include
> main()
> {
> struct value
> {
> int bit1:1;
> int bit2:4;
> int bit3:4;
> }bit={1,2,2};
> printf("%d%d%d",bit.bit1,bit.bit2,bit.bit3);
> }
>
> output is -1,2,2;
> can anybody tell me the reason that y it is giving -1 ??
>
>
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[algogeeks] c question
#include
main()
{
struct value
{
int bit1:1;
int bit2:4;
int bit3:4;
}bit={1,2,2};
printf("%d%d%d",bit.bit1,bit.bit2,bit.bit3);
}
output is -1,2,2;
can anybody tell me the reason that y it is giving -1 ??
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Re: [algogeeks] C question
okey thnks @sukran.. :)
On Sat, Aug 20, 2011 at 4:20 PM, sukran dhawan wrote:
> @sandeep
>
> number which is a power of 2 only one bit will be set.
> number -1 : all the bits except the one which was set at num with be 1
> so num & num-1 will be 0 coz of bitwise and
>
> On Sat, Aug 20, 2011 at 4:18 PM, SANDEEP CHUGH wrote:
>
>> @sukran explain plz
>>
>> On Sat, Aug 20, 2011 at 4:16 PM, sukran dhawan wrote:
>>
>>> one more condition is required
>>>
>>> if(num != 0 && !( num & (num-1))
>>>
>>> On Sat, Aug 20, 2011 at 4:04 PM, Sanjay Rajpal wrote:
>>>
if(!(x & x-1)) printf("No. is power of 2");
Sanju
:)
On Sat, Aug 20, 2011 at 3:32 AM, Abhishek Yadav <
algowithabhis...@gmail.com> wrote:
> Give a one-line C expression to test whether a number is a power of 2.
>
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Re: [algogeeks] C question
@sandeep
number which is a power of 2 only one bit will be set.
number -1 : all the bits except the one which was set at num with be 1
so num & num-1 will be 0 coz of bitwise and
On Sat, Aug 20, 2011 at 4:18 PM, SANDEEP CHUGH wrote:
> @sukran explain plz
>
> On Sat, Aug 20, 2011 at 4:16 PM, sukran dhawan wrote:
>
>> one more condition is required
>>
>> if(num != 0 && !( num & (num-1))
>>
>> On Sat, Aug 20, 2011 at 4:04 PM, Sanjay Rajpal wrote:
>>
>>> if(!(x & x-1)) printf("No. is power of 2");
>>>
>>>
>>> Sanju
>>> :)
>>>
>>>
>>>
>>> On Sat, Aug 20, 2011 at 3:32 AM, Abhishek Yadav <
>>> algowithabhis...@gmail.com> wrote:
>>>
Give a one-line C expression to test whether a number is a power of 2.
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Re: [algogeeks] C question
O yes, thanx sukran :)
I forgot that.
Sanju
:)
On Sat, Aug 20, 2011 at 3:46 AM, sukran dhawan wrote:
> one more condition is required
>
> if(num != 0 && !( num & (num-1))
>
> On Sat, Aug 20, 2011 at 4:04 PM, Sanjay Rajpal wrote:
>
>> if(!(x & x-1)) printf("No. is power of 2");
>>
>>
>> Sanju
>> :)
>>
>>
>>
>> On Sat, Aug 20, 2011 at 3:32 AM, Abhishek Yadav <
>> algowithabhis...@gmail.com> wrote:
>>
>>> Give a one-line C expression to test whether a number is a power of 2.
>>>
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Re: [algogeeks] C question
@sukran explain plz
On Sat, Aug 20, 2011 at 4:16 PM, sukran dhawan wrote:
> one more condition is required
>
> if(num != 0 && !( num & (num-1))
>
> On Sat, Aug 20, 2011 at 4:04 PM, Sanjay Rajpal wrote:
>
>> if(!(x & x-1)) printf("No. is power of 2");
>>
>>
>> Sanju
>> :)
>>
>>
>>
>> On Sat, Aug 20, 2011 at 3:32 AM, Abhishek Yadav <
>> algowithabhis...@gmail.com> wrote:
>>
>>> Give a one-line C expression to test whether a number is a power of 2.
>>>
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Re: [algogeeks] C question
@sandeep
number which is a power of 2 only one bit will be set.
number -1 : all the bits except the one which was set at num with be 1
so num & num-1 will be 0 coz of bitwise and
On Sat, Aug 20, 2011 at 4:15 PM, SANDEEP CHUGH wrote:
> explain it plz
>
>
> On Sat, Aug 20, 2011 at 4:09 PM, Abhishek Yadav <
> algowithabhis...@gmail.com> wrote:
>
>> got it ...thanks
>>
>>
>> On Sat, Aug 20, 2011 at 4:04 PM, Sanjay Rajpal wrote:
>>
>>> if(!(x & x-1)) printf("No. is power of 2");
>>>
>>>
>>> Sanju
>>> :)
>>>
>>>
>>>
>>> On Sat, Aug 20, 2011 at 3:32 AM, Abhishek Yadav <
>>> algowithabhis...@gmail.com> wrote:
>>>
Give a one-line C expression to test whether a number is a power of 2.
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Re: [algogeeks] C question
See if a number is power of 2, then only one bit in the number will be set.
e.g. for 16, 0001 assuming 8-bit representation.
then when you subtract 1 from this number, the bits to the right of the
previously set bit will be set, and the set bit will become unset.
e.g. 16 will become 15, .
Take bitwise and, th result will be 0 if it is a power of 2.
taking Logical NOT will give 1.
Hence the result.
Sanju
:)
On Sat, Aug 20, 2011 at 3:45 AM, SANDEEP CHUGH wrote:
> explain it plz
>
>
> On Sat, Aug 20, 2011 at 4:09 PM, Abhishek Yadav <
> algowithabhis...@gmail.com> wrote:
>
>> got it ...thanks
>>
>>
>> On Sat, Aug 20, 2011 at 4:04 PM, Sanjay Rajpal wrote:
>>
>>> if(!(x & x-1)) printf("No. is power of 2");
>>>
>>>
>>> Sanju
>>> :)
>>>
>>>
>>>
>>> On Sat, Aug 20, 2011 at 3:32 AM, Abhishek Yadav <
>>> algowithabhis...@gmail.com> wrote:
>>>
Give a one-line C expression to test whether a number is a power of 2.
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Re: [algogeeks] C question
one more condition is required
if(num != 0 && !( num & (num-1))
On Sat, Aug 20, 2011 at 4:04 PM, Sanjay Rajpal wrote:
> if(!(x & x-1)) printf("No. is power of 2");
>
>
> Sanju
> :)
>
>
>
> On Sat, Aug 20, 2011 at 3:32 AM, Abhishek Yadav <
> algowithabhis...@gmail.com> wrote:
>
>> Give a one-line C expression to test whether a number is a power of 2.
>>
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Re: [algogeeks] C question
explain it plz
On Sat, Aug 20, 2011 at 4:09 PM, Abhishek Yadav
wrote:
> got it ...thanks
>
>
> On Sat, Aug 20, 2011 at 4:04 PM, Sanjay Rajpal wrote:
>
>> if(!(x & x-1)) printf("No. is power of 2");
>>
>>
>> Sanju
>> :)
>>
>>
>>
>> On Sat, Aug 20, 2011 at 3:32 AM, Abhishek Yadav <
>> algowithabhis...@gmail.com> wrote:
>>
>>> Give a one-line C expression to test whether a number is a power of 2.
>>>
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Re: [algogeeks] C question
got it ...thanks
On Sat, Aug 20, 2011 at 4:04 PM, Sanjay Rajpal wrote:
> if(!(x & x-1)) printf("No. is power of 2");
>
>
> Sanju
> :)
>
>
>
> On Sat, Aug 20, 2011 at 3:32 AM, Abhishek Yadav <
> algowithabhis...@gmail.com> wrote:
>
>> Give a one-line C expression to test whether a number is a power of 2.
>>
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Re: [algogeeks] C question
if(!(x & x-1)) printf("No. is power of 2");
Sanju
:)
On Sat, Aug 20, 2011 at 3:32 AM, Abhishek Yadav
wrote:
> Give a one-line C expression to test whether a number is a power of 2.
>
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[algogeeks] C question
Give a one-line C expression to test whether a number is a power of 2. -- 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-Question
5.375 in normalised form is - 0100 1010 1100
As we type cast into char
so in little endian system it take 8 bits from last and store into p[0] ,
then it take next 8 bits store it into p[1] so on ...
In printf statement here X is specifier for float so it print hexadecimal
equivalent of binary number.
On Sat, Aug 20, 2011 at 11:21 AM, Vijay Khandar wrote:
> If the binary equivalent of 5.375 in normalised form is - 0100
> 1010 1100
>
> what is the o/p of following code-
> main()
> {
> float a=5.375;
> char *p;
> int i;
> p=(char *)&a;
> for(i=0;i<=3;i++)
> printf("%02X",(unsigned char)p[i]);
> }
>
> O/P= 00 00 AC 40
> Plz, Plz anyone explain me in detail, how this o/p is coming?
> Vijay..
>
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Re: [algogeeks] C-Question
+1 to Dipankar
Sanju
:)
On Sat, Aug 20, 2011 at 12:01 AM, Dipankar Patro wrote:
> float is 4 bytes.
> so a=3.75 will be stored in 4 bytes in memory.
>
> the moment you have a pointer referring to the same memory location but
> type cast to (char *), the pointer will refer to character i.e. 1 byte.
> ^^ this explains the p[0] , p[1], p[2], p[3] <- 4 bytes of the 3.75
>
> now finally the o/p
> 00 00 AC 40
> ^^ it is in little endian format. i.e the data bytes are stored in memory
> is reverse format.
>
> On 20 August 2011 11:21, Vijay Khandar wrote:
>
>> If the binary equivalent of 5.375 in normalised form is - 0100
>> 1010 1100
>>
>> what is the o/p of following code-
>> main()
>> {
>> float a=5.375;
>> char *p;
>> int i;
>> p=(char *)&a;
>> for(i=0;i<=3;i++)
>> printf("%02X",(unsigned char)p[i]);
>> }
>>
>> O/P= 00 00 AC 40
>> Plz, Plz anyone explain me in detail, how this o/p is coming?
>> Vijay..
>>
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Re: [algogeeks] C-Question
float is 4 bytes.
so a=3.75 will be stored in 4 bytes in memory.
the moment you have a pointer referring to the same memory location but type
cast to (char *), the pointer will refer to character i.e. 1 byte.
^^ this explains the p[0] , p[1], p[2], p[3] <- 4 bytes of the 3.75
now finally the o/p
00 00 AC 40
^^ it is in little endian format. i.e the data bytes are stored in memory is
reverse format.
On 20 August 2011 11:21, Vijay Khandar wrote:
> If the binary equivalent of 5.375 in normalised form is - 0100
> 1010 1100
>
> what is the o/p of following code-
> main()
> {
> float a=5.375;
> char *p;
> int i;
> p=(char *)&a;
> for(i=0;i<=3;i++)
> printf("%02X",(unsigned char)p[i]);
> }
>
> O/P= 00 00 AC 40
> Plz, Plz anyone explain me in detail, how this o/p is coming?
> Vijay..
>
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[algogeeks] C-Question
If the binary equivalent of 5.375 in normalised form is - 0100
1010 1100
what is the o/p of following code-
main()
{
float a=5.375;
char *p;
int i;
p=(char *)&a;
for(i=0;i<=3;i++)
printf("%02X",(unsigned char)p[i]);
}
O/P= 00 00 AC 40
Plz, Plz anyone explain me in detail, how this o/p is coming?
Vijay..
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Re: [algogeeks] c question
The problem is because of \n in the prnintf statement. When new line is
there in first printf it flushes the standard buffer and so in child the
output of printf is not present in second program.
*Muthuraj R
IV th Year , ISE
PESIT , Bangalore*
On Sat, Aug 13, 2011 at 9:29 PM, Ankur Khurana wrote:
>
> aren't two programs same ? and scheduling of two forked and parent process
> is prcoessor dependent. You dont have a say in it.
>
> On Sun, Aug 14, 2011 at 1:21 AM, thanu moorthy wrote:
>
>> #include
>> #include
>> int main()
>> {
>> int return_value;
>> printf("forking process");
>> fork();
>> printf("hello\n");
>> return 0;
>>
>> }
>>
>> in the above program the output is
>>
>> forking processhello
>> forking processhello
>>
>> but in the below prog
>>
>>
>> include
>> #include
>> int main()
>> {
>> int return_value;
>> printf("forking process\n");
>> fork();
>> printf("hello\n");
>> return 0;
>>
>> }
>> the output is
>> forking process
>> hello
>> hello
>>
>> why its so ??
>>
>> --
>> by $THANU$
>>
>> --
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>
>
>
> --
> Ankur Khurana
> Computer Science
> Netaji Subhas Institute Of Technology
> Delhi.
>
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Re: [algogeeks] c question
aren't two programs same ? and scheduling of two forked and parent process
is prcoessor dependent. You dont have a say in it.
On Sun, Aug 14, 2011 at 1:21 AM, thanu moorthy wrote:
> #include
> #include
> int main()
> {
> int return_value;
> printf("forking process");
> fork();
> printf("hello\n");
> return 0;
>
> }
>
> in the above program the output is
>
> forking processhello
> forking processhello
>
> but in the below prog
>
>
> include
> #include
> int main()
> {
> int return_value;
> printf("forking process\n");
> fork();
> printf("hello\n");
> return 0;
>
> }
> the output is
> forking process
> hello
> hello
>
> why its so ??
>
> --
> by $THANU$
>
> --
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Computer Science
Netaji Subhas Institute Of Technology
Delhi.
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[algogeeks] c question
#include
#include
int main()
{
int return_value;
printf("forking process");
fork();
printf("hello\n");
return 0;
}
in the above program the output is
forking processhello
forking processhello
but in the below prog
include
#include
int main()
{
int return_value;
printf("forking process\n");
fork();
printf("hello\n");
return 0;
}
the output is
forking process
hello
hello
why its so ??
--
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Re: [algogeeks] c question!
hmm ya am sorry abt that..what abt the first part i mentioned...how is it
(nodeptr*)malloc according to you (which is creating a pointer to a pointer
type nodeptr )rather than just nodeptr which is a pointer to structure?
how to get size of structure as such in this case?
On Thu, Aug 11, 2011 at 7:04 AM, siddharth srivastava
wrote:
>
>
> (sizeof(struct)); ??
>>
>
> That doesn't makes sense. Size of struct is what ?? you need the size of
> your structure with the variables you have declared in it.
>
>
>>
>> cos malloc returns pointer to memory block and nodeptr itself is a pointer
>> and you have used nodeptr* further?
>>
>>
>>
>> On Tue, Aug 9, 2011 at 6:32 PM, siddharth srivastava > > wrote:
>>
>>> @sidharth: thanks a lot for correcting me :)
@aditya : no. there was some mistake;
in the code i pasted above it's giving segmentation fault. Is it cause
i'm initializing h without using malloc??
Please throw light on this problem
>>>
>>> Pointer points to a location in memory. You can't use h without making h
>>> to reference to some area in memory.
>>>
>>>
>>>
And in the following code
char *s;
scanf("%s", s);
why isn't it possible to store a string in s??
Please explain both concepts.
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>>>
>>>
>>>
>>> --
>>> Regards
>>> Siddharth Srivastava
>>>
>>>
>>>
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>>
>>
>>
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Re: [algogeeks] c question!
(sizeof(struct)); ??
>
That doesn't makes sense. Size of struct is what ?? you need the size of
your structure with the variables you have declared in it.
>
> cos malloc returns pointer to memory block and nodeptr itself is a pointer
> and you have used nodeptr* further?
>
>
>
> On Tue, Aug 9, 2011 at 6:32 PM, siddharth srivastava
> wrote:
>
>> @sidharth: thanks a lot for correcting me :)
>>> @aditya : no. there was some mistake;
>>>
>>> in the code i pasted above it's giving segmentation fault. Is it cause
>>> i'm initializing h without using malloc??
>>> Please throw light on this problem
>>>
>>
>> Pointer points to a location in memory. You can't use h without making h
>> to reference to some area in memory.
>>
>>
>>
>>> And in the following code
>>> char *s;
>>> scanf("%s", s);
>>> why isn't it possible to store a string in s??
>>>
>>> Please explain both concepts.
>>>
>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "Algorithm Geeks" group.
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>>>
>>
>>
>>
>> --
>> Regards
>> Siddharth Srivastava
>>
>>
>>
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>
>
>
> --
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Re: [algogeeks] C question
@ram got it. tanx :) -- 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 question!
@siddarth:
should not the statement you mentioned above as
nodeptr h = (nodeptr*)malloc(sizeof(nodeptr*));
be
nodeptr h =(struct*)malloc(sizeof(struct)); ??
cos malloc returns pointer to memory block and nodeptr itself is a pointer
and you have used nodeptr* further?
On Tue, Aug 9, 2011 at 6:32 PM, siddharth srivastava wrote:
> @sidharth: thanks a lot for correcting me :)
>> @aditya : no. there was some mistake;
>>
>> in the code i pasted above it's giving segmentation fault. Is it cause i'm
>> initializing h without using malloc??
>> Please throw light on this problem
>>
>
> Pointer points to a location in memory. You can't use h without making h to
> reference to some area in memory.
>
>
>
>> And in the following code
>> char *s;
>> scanf("%s", s);
>> why isn't it possible to store a string in s??
>>
>> Please explain both concepts.
>>
>> --
>> You received this message because you are subscribed to the Google
>> Groups "Algorithm Geeks" group.
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>>
>
>
>
> --
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> Siddharth Srivastava
>
>
>
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Re: [algogeeks] C question
signed char 129 = -127 127 => 0111 -127 => 1000 0001 (2's compliment form) = ff81 (hex) -- 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/-/0Y7Ev0aJuLgJ. 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 question
Correct me if i'm wrong. I think it's cos at a time it'll fetch the amount of bytes = to it's register's size. If a 32-bit machine is being used, answer will contain 4 bytes ff81 16-bit machine - ff81 -- 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 question
main()
{
char a=129;
printf("%0x",a);
}
the o/p whch i'm getting s ff81.. why is tat so?
as char s 1 byte why 2 bytes r printed...
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Re: [algogeeks] c question!
>
> @sidharth: thanks a lot for correcting me :)
> @aditya : no. there was some mistake;
>
> in the code i pasted above it's giving segmentation fault. Is it cause i'm
> initializing h without using malloc??
> Please throw light on this problem
>
Pointer points to a location in memory. You can't use h without making h to
reference to some area in memory.
> And in the following code
> char *s;
> scanf("%s", s);
> why isn't it possible to store a string in s??
>
> Please explain both concepts.
>
> --
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Re: [algogeeks] c question!
when you declared " h" it contains garbage address . h->a is meaningless .
read pointers chapter from K nd R for full details about pointers in C .
On Aug 9, 2011 9:11 PM, "programming love"
wrote:
> #includetypedef struct {char * a;
> }*nodeptr;
> main(){nodeptr h;h->a="programming";printf("hi %s\n", h->a);}
>
> @sidharth: thanks a lot for correcting me :)
> @aditya : no. there was some mistake;
>
> in the code i pasted above it's giving segmentation fault. Is it cause i'm
> initializing h without using malloc??
> Please throw light on this problem
> And in the following code
> char *s;
> scanf("%s", s);
> why isn't it possible to store a string in s??
>
> Please explain both concepts.
>
> --
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Re: [algogeeks] c question!
#includetypedef struct {char * a;
}*nodeptr;
main(){nodeptr h;h->a="programming";printf("hi %s\n", h->a);}
@sidharth: thanks a lot for correcting me :)
@aditya : no. there was some mistake;
in the code i pasted above it's giving segmentation fault. Is it cause i'm
initializing h without using malloc??
Please throw light on this problem
And in the following code
char *s;
scanf("%s", s);
why isn't it possible to store a string in s??
Please explain both concepts.
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Re: [algogeeks] c question!
a new pointer type that can store the address of such structure for example nodeptr p; will declare a pointer to that struct but it is useless for me. On Aug 9, 2011 8:19 PM, "programming love" wrote: > @rohith, what if that statement is removed. Now, what will nodeptr stand > for? > > On Tue, Aug 9, 2011 at 8:09 PM, rohit jangid wrote: > >> it will give error in line 3 because nodeptr is undefined till that point.. >> >> On Aug 9, 2011 8:03 PM, "programming love" < love.for.programm...@gmail.com> >> wrote: >> -- >> 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 question!
>
>
>>>
>>> this gives an error. Please explain the concept behind this.
>>>
>>
try using something like this:
#include
#include
typedef struct {
char * a;
}* nodeptr;
main(){
nodeptr h = (nodeptr*)malloc(sizeof(nodeptr*));
h->a="programming";
printf("hi %s\n", h->a);
}
though
typedef struct{
char *a;
} nodeptr;
would be better in terms of readability and understanding.
>
>>>
>>
>> You have used typedef incorrectly
>>
>>>
>>> --
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>>
>>
>>
>> --
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>> Siddharth Srivastava
>>
>>
>>
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Re: [algogeeks] c question!
dont use *h just use h
On Tue, Aug 9, 2011 at 8:31 PM, siddharth srivastava wrote:
> Hi
>
> On 9 August 2011 20:26, programming love
> wrote:
>
>> #includetypedef struct {char * a;
>> }*nodeptr;
>> main(){nodeptr *h;h->a="programming";printf("hi %s\n", h->a);}
>>
>>
>> this gives an error. Please explain the concept behind this.
>>
>>
>
> You have used typedef incorrectly
>
>>
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>
>
>
> --
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> Siddharth Srivastava
>
>
>
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Re: [algogeeks] c question!
Hi
On 9 August 2011 20:26, programming love wrote:
> #includetypedef struct {char * a;
> }*nodeptr;
> main(){nodeptr *h;h->a="programming";printf("hi %s\n", h->a);}
>
>
> this gives an error. Please explain the concept behind this.
>
>
You have used typedef incorrectly
>
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Re: [algogeeks] c question!
is it giving an error at *nodeptr declaration?
On Tue, Aug 9, 2011 at 8:26 PM, programming love <
love.for.programm...@gmail.com> wrote:
> #includetypedef struct {char * a;
> }*nodeptr;
> main(){nodeptr *h;h->a="programming";printf("hi %s\n", h->a);}
>
>
> this gives an error. Please explain the concept behind this.
>
>
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Re: [algogeeks] c question!
#includetypedef struct {char * a;
}*nodeptr;
main(){nodeptr *h;h->a="programming";printf("hi %s\n", h->a);}
this gives an error. Please explain the concept behind this.
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Re: [algogeeks] c question!
yep it will !! any ways nodeptr is another name for pointer to the same structure so you dont need to write struct *nodeptr you can simply write nodeptr *p(say) to declare pointer to the structure On Tue, Aug 9, 2011 at 8:09 PM, rohit jangid wrote: > it will give error in line 3 because nodeptr is undefined till that point.. > > On Aug 9, 2011 8:03 PM, "programming love" > wrote: > > -- > 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 question!
@rohith, what if that statement is removed. Now, what will nodeptr stand for? On Tue, Aug 9, 2011 at 8:09 PM, rohit jangid wrote: > it will give error in line 3 because nodeptr is undefined till that point.. > > On Aug 9, 2011 8:03 PM, "programming love" > wrote: > -- > 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 question!
it will give error in line 3 because nodeptr is undefined till that point.. On Aug 9, 2011 8:03 PM, "programming love" wrote: -- 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 question!
*typedef struct {**
*
*char * a;**
*
*nodeptr next;**
*
*}*nodeptr;**
*
*
*
*what does nodeptr stand for??*
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Re: [algogeeks] C question.. sizeof operator
output ll be 10..sizeof operation just find the size of the variable's datatype..no changes for the variable inside the operation.. -- 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 question.. increment decrement operator..
As we know: In an expression, if pre n post occur simultaneously, pre inc the value then n there only n post executes it after that expression...and expression evaluates right to left... Also, the value of a variable in an expression can be modified multifold times...there is no restriction on dat... Here in this code: Print statement No.: 1. i++*i++ is equivalent to: output i*i(7*7) followed by i=i+1; i=i+1; prior to 2nd printf statement..that makes i=9 2. i++*++i expn. evaluates right to left: i inc. by one due to pre.. i is now 10 . output i*i(10*10) i=i+1 (due to post inc., it inc. the value after the output) i is now 11 3. ++i*i++ right to left evaluation, but post inc. increases value only after output.. coming to ++i in the expn., i inc. to 12 output: 12*12 i=i+1(due to postinc.) i is now 13 4. ++i*++i both pre inc operators, order of evaluation doesnt ,matter: i=i+1 i=i+1 output: 15*15 i finishes at 15 Hence the output: 49 100 144 225 I think i made it clear.. Feel free to point any loopholes.. Thanks. On 8/3/11, ankit sambyal wrote: > Its compiler dependent. Acc. to the C standard an object's stored value can > be modified only once in an expression. > > -- > 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 question.. increment decrement operator..
Its compiler dependent. Acc. to the C standard an object's stored value can be modified only once in an expression. -- 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 question.. increment decrement operator..
Please give the output and explain..
main()
{
int i=7;
printf("%d\n",i++*i++);
printf("%d\n",i++*++i);
printf("%d\n",++i*i++);
printf("%d\n",++i*++i);
}
What is the order of execution!?
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Re: [algogeeks] C question.. sizeof operator
sizeof is not a function. The inside content in sizeof() cannot be compiled
during the compiling time, It will be replaced with the type. For example,
compiler will replace the code as j = 4;
So ++i does not execute.
On Aug 3, 2011, at 6:12 PM, brijesh wrote:
> main()
> {
> int i,j;
> i=10;
> j=sizeof(++i);
> printf("%d",i);
> }
>
> please give the output with explanation!
>
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Re: [algogeeks] C question.. sizeof operator
i=10 -- *Rajeshwar Patra,* *MCA final year,* *Nit Durgapur* -- 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 question.. sizeof operator
output would be 10 size of just calculate the type of the expression not the value Best Wishes Sachin Sharma -- 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 question.. sizeof operator
main()
{
int i,j;
i=10;
j=sizeof(++i);
printf("%d",i);
}
please give the output with explanation!
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Re: [algogeeks] C-Question
Thanks Jagrati On Tue, Aug 2, 2011 at 3:19 PM, jagrati verma wrote: > coz we do in for loop 1st initialization thn condition thn increment so > in 1st for loop it will print the value thn increment the i's value so itll > behave like a i++ > dats y no diffrence in the o/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. > -- 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-Question
Thanks Naveen..
On Tue, Aug 2, 2011 at 3:13 PM, naveen shukla <
naveenshuklasweetdrea...@gmail.com> wrote:
> Actually incrementing and decrementing whether pre and post will not
> affect in this case because (increment and decrement ) will be done
> before checking the condition.
>
> As in for loop three sequential steps are .
>
> 1. Initialization
> 2. Checking condition
> 3. Increment or decrement
>
>
> On Tue, Aug 2, 2011 at 2:56 PM, Vijay Khandar
> wrote:
> > for(i=1,j=10;i<6;++i,--j)
> > pf("%d %d",i,j);
> >
> > and
> >
> > for(i=1,j=10;i<6;i++,j--)
> > pf("%d %d",i,j);
> >
> > why this both giving same o/p, since one is pre and other is
> > postplz explain me
> >
> >
> > --
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>
>
>
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> From:
>
> Naveen Shukla
> IIIT Allahabad
> B.Tech IT 2nd year
> Mob No: 07860896972
> E-mail rit2009...@iiita.ac.in
> naveenshuklasweetdrea...@gmail.com
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Re: [algogeeks] C-Question
coz we do in for loop 1st initialization thn condition thn increment so in 1st for loop it will print the value thn increment the i's value so itll behave like a i++ dats y no diffrence in the o/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-Question
Actually incrementing and decrementing whether pre and post will not
affect in this case because (increment and decrement ) will be done
before checking the condition.
As in for loop three sequential steps are .
1. Initialization
2. Checking condition
3. Increment or decrement
On Tue, Aug 2, 2011 at 2:56 PM, Vijay Khandar wrote:
> for(i=1,j=10;i<6;++i,--j)
> pf("%d %d",i,j);
>
> and
>
> for(i=1,j=10;i<6;i++,j--)
> pf("%d %d",i,j);
>
> why this both giving same o/p, since one is pre and other is
> postplz explain me
>
>
> --
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IIIT Allahabad
B.Tech IT 2nd year
Mob No: 07860896972
E-mail rit2009...@iiita.ac.in
naveenshuklasweetdrea...@gmail.com
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[algogeeks] C-Question
for(i=1,j=10;i<6;++i,--j)
pf("%d %d",i,j);
and
for(i=1,j=10;i<6;i++,j--)
pf("%d %d",i,j);
why this both giving same o/p, since one is pre and other is
postplz explain me
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Re: [algogeeks] C-Question
Now got it Thank u very much Rajeev
On Mon, Aug 1, 2011 at 3:34 PM, rajeev bharshetty wrote:
> Becaus eof Bitwise and
>
> 0110 (6)
> & 0001 0010 (10)
> 0010 (2)
>
> So
> 0&0 0
> 0&1 0
> 1&0 0
> 1&1 1
>
>
> On Mon, Aug 1, 2011 at 3:31 PM, Vijay Khandar wrote:
>
>> main()
>> {
>> int a=6,b=10,x;
>> x=a&b;
>> printf("%d",x);
>> }
>>
>> O/P=2
>> Plz any one explain me ,how its come
>>
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>
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> Rajeev N B
>
> "*Winners Don't do Different things , they do things Differently"*
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[algogeeks] C-Question
main()
{
int a=6,b=10,x;
x=a&b;
printf("%d",x);
}
O/P=2
Plz any one explain me ,how its come
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Re: [algogeeks] C-Question
Becaus eof Bitwise and
0110 (6)
& 0001 0010 (10)
0010 (2)
So
0&0 0
0&1 0
1&0 0
1&1 1
On Mon, Aug 1, 2011 at 3:31 PM, Vijay Khandar wrote:
> main()
> {
> int a=6,b=10,x;
> x=a&b;
> printf("%d",x);
> }
>
> O/P=2
> Plz any one explain me ,how its come
>
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Re: [algogeeks] C-question
Now got it Thanks...
On Wed, Jul 27, 2011 at 11:27 PM, rajeev bharshetty wrote:
> The output is 10101101
> consider it to be f(173) -> f(86) -> f(43) -> f(21) -> f(10) -> f(5) ->
> f(2) -> f(1)
> 1 0 110
> 1 01
>
> Hope you get the recursion there .
>
> On Wed, Jul 27, 2011 at 11:19 PM, Vijay Khandar
> wrote:
>
>> #include
>> #include
>> int f(int n)
>> {
>> if(n<=1)
>> {
>> printf(" %d",n);
>> }
>> else
>> {
>> f(n/2);
>> printf(" %d",n%2);
>> }
>> }
>>
>> void main()
>> {
>> clrscr();
>> f(173);
>> getch();
>> }
>>
>> o/p-1 0 1 0 1 1 0 1
>> but i m getting 1 0 1 1 0 1 0 1
>>
>> plz explain me...
>>
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>
>
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> Rajeev N B
>
> "*Winners Don't do Different things , they do things Differently"*
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Re: [algogeeks] C-question
@vijay
put return n int function f(),
you will get expected out put.
as like this...
#include
#include
int f(int n)
{
if(n<=1)
{
printf(" %d",n);
return n;
}
else
{
f(n/2);
printf(" %d",n%2);
return n;
}
}
void main()
{
clrscr();
f(173);
getch();
}
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Re: [algogeeks] C-question
The output is 10101101
consider it to be f(173) -> f(86) -> f(43) -> f(21) -> f(10) -> f(5) -> f(2)
-> f(1)
1 0 110
1 01
Hope you get the recursion there .
On Wed, Jul 27, 2011 at 11:19 PM, Vijay Khandar wrote:
> #include
> #include
> int f(int n)
> {
> if(n<=1)
> {
> printf(" %d",n);
> }
> else
> {
> f(n/2);
> printf(" %d",n%2);
> }
> }
>
> void main()
> {
> clrscr();
> f(173);
> getch();
> }
>
> o/p-1 0 1 0 1 1 0 1
> but i m getting 1 0 1 1 0 1 0 1
>
> plz explain me...
>
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Re: [algogeeks] C-question
Can u explain me plz
On Wed, Jul 27, 2011 at 11:24 PM, Muthu Raj wrote:
> I am getting the proper output :) 1 0 1 0 1 1 0 1
>
>
>
>
> *Muthuraj R.
> 4TH Year BE.**
> Information Science Dept*
> *PESIT, Bengaluru .
> *
>
>
>
>
> On Wed, Jul 27, 2011 at 11:19 PM, Vijay Khandar
> wrote:
>
>> #include
>> #include
>> int f(int n)
>> {
>> if(n<=1)
>> {
>> printf(" %d",n);
>> }
>> else
>> {
>> f(n/2);
>> printf(" %d",n%2);
>> }
>> }
>>
>> void main()
>> {
>> clrscr();
>> f(173);
>> getch();
>> }
>>
>> o/p-1 0 1 0 1 1 0 1
>> but i m getting 1 0 1 1 0 1 0 1
>>
>> plz explain me...
>>
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>>
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