[algogeeks] c-aps
HI, I'm seeking for a source for learning c-aps and i don get any valuable ones. Can anyone plz suggest me or share the valuable sources u know. Thank u in anticipation -- radhika .. :) -- 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 aps sources plz
Hi all, as i find it hard to find a site that has a collection of non obvious or fairly hard c aps sites anywhere, i seek help here. plz post if u find any source proving to be useful. -- Cheers, Vicky -- 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 aps can some one explain this pls :)
it's not defined in the standard.unpredictable behaviour !!
--
Amol Sharma
Third Year Student
Computer Science and Engineering
MNNIT Allahabad
On Mon, Jul 18, 2011 at 2:36 PM, keyan karthi keyankarthi1...@gmail.comwrote:
#includeiostream
using namespace std;
int main()
{
int p=1;
printf(%d %d %d %d,++p,p++,p++,++p);
}
output : 5 3 2 5
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Re: [algogeeks] c aps can some one explain this pls :)
sequence points...
On Mon, Jul 18, 2011 at 3:11 PM, Amol Sharma amolsharm...@gmail.com wrote:
it's not defined in the standard.unpredictable behaviour !!
--
Amol Sharma
Third Year Student
Computer Science and Engineering
MNNIT Allahabad
On Mon, Jul 18, 2011 at 2:36 PM, keyan karthi
keyankarthi1...@gmail.comwrote:
#includeiostream
using namespace std;
int main()
{
int p=1;
printf(%d %d %d %d,++p,p++,p++,++p);
}
output : 5 3 2 5
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with pleasure
boobal
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Re: [algogeeks] c aps can some one explain this pls :)
@boobal
can u pls elaborate on sequence points
@atul
i compiled this in ubuntu
On Mon, Jul 18, 2011 at 3:13 PM, Boobal Subramaniyam booban...@gmail.comwrote:
sequence points...
On Mon, Jul 18, 2011 at 3:11 PM, Amol Sharma amolsharm...@gmail.comwrote:
it's not defined in the standard.unpredictable behaviour !!
--
Amol Sharma
Third Year Student
Computer Science and Engineering
MNNIT Allahabad
On Mon, Jul 18, 2011 at 2:36 PM, keyan karthi
keyankarthi1...@gmail.comwrote:
#includeiostream
using namespace std;
int main()
{
int p=1;
printf(%d %d %d %d,++p,p++,p++,++p);
}
output : 5 3 2 5
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with pleasure
boobal
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Re: [algogeeks] c aps can some one explain this pls :)
@keyan
i examined many times in ubuntu that it delays the o/p of pre-increment
:)
but in dev C++ o/p is as given by atul
On Mon, Jul 18, 2011 at 3:15 PM, keyan karthi keyankarthi1...@gmail.comwrote:
@boobal
can u pls elaborate on sequence points
@atul
i compiled this in ubuntu
On Mon, Jul 18, 2011 at 3:13 PM, Boobal Subramaniyam
booban...@gmail.comwrote:
sequence points...
On Mon, Jul 18, 2011 at 3:11 PM, Amol Sharma amolsharm...@gmail.comwrote:
it's not defined in the standard.unpredictable behaviour !!
--
Amol Sharma
Third Year Student
Computer Science and Engineering
MNNIT Allahabad
On Mon, Jul 18, 2011 at 2:36 PM, keyan karthi keyankarthi1...@gmail.com
wrote:
#includeiostream
using namespace std;
int main()
{
int p=1;
printf(%d %d %d %d,++p,p++,p++,++p);
}
output : 5 3 2 5
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with pleasure
boobal
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**Regards
SAGAR PAREEK
COMPUTER SCIENCE AND ENGINEERING
NIT ALLAHABAD
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Re: [algogeeks] c aps can some one explain this pls :)
AFAIK, official answer is due to undefined behavior. -- 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/-/EAWuaDE1CIcJ. 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 aps can some one explain this pls :)
thanks ppl :) On Mon, Jul 18, 2011 at 3:59 PM, schrodinger 6fae1ce6347...@gmail.comwrote: AFAIK, official answer is due to undefined behavior. -- 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/-/EAWuaDE1CIcJ. 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 aps can some one explain this pls :)
This depends on how the compiler evaluates the actual parameters and push to the stack when printf is called. this is totally depeding on the compiler architecture [ basically implemetion of activation record in intermediate code genaration phase, read intermidiate language and virtual machine @ compiler design by Aho ullman] In dev C++, the printf works as below: they evalute expression from right to left and push back into stack. thus the expression printf(%d %d %d %d,++p,p++,p++,++p); evaluted as below: initially p=1; printf(%d %d %d %d,++p,p++,p++,2);//p=2 as prefix printf(%d %d %d %d,++p,p++,2,2);//p=3 as postfix printf(%d %d %d %d,++p,3,2,2);//p=4 again postfix printf(%d %d %d %d,5,3,2,2);//p=5 here prefix.. as now our stack contaion 5,3,2,2 ..it print's as this... some more example as : printf(%d %d %d %d %d,++ p,p++,p++,++p, p++); output:6 4 3 3 1 printf(%d %d %d %d %d,++ p,p++,p++,p++, p++); output: 6,4,3,2,1 printf(%d %d %d %d %d,++p,p--,--p,p++, p--); output: 0 0 0 0 1 On 7/18/11, keyan karthi keyankarthi1...@gmail.com wrote: thanks ppl :) On Mon, Jul 18, 2011 at 3:59 PM, schrodinger 6fae1ce6347...@gmail.comwrote: AFAIK, official answer is due to undefined behavior. -- 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/-/EAWuaDE1CIcJ. 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. -- Thanks and Regards, -- **DIPANKAR DUTTA Software Development Engineer Xen Server - OpenStack Development Team (DataCenter and Cloud) Citrix RD India Pvt Ltd 69/3, Millers Road, Bangalore – 560052 Phone: +91 9045809987 Office: Extn: 16429 Email: dipankar.du...@citrix.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.
[algogeeks] C aps output
main()
{
int i = 257;
int *iPtr = i;
printf(%d %d, *((char*)iPtr), *((char*)iPtr+1) );
}
Answer:
1 1
main()
{
int i = 258;
int *iPtr = i;
printf(%d %d, *((char*)iPtr), *((char*)iPtr+1) );
}
Answer:
2 1
..can anybody explain how??
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$iva
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[algogeeks] c aps ..output discrepancy !!!
hi
#includestdio.h
main()
{
int a=2,*f1,*f2;
f1=f2=a;
*f2+=*f2+=a+=2.5;
printf(\n%d %d %d,a,*f1,*f2);
}
for this code in code blocks IDE got 8 8 8 as op
in http://ideone.com/ok850 got 12 12 12
in 175 c aps pdf it has been given as 16 16 16 as
output
so this code also has something to do with SEQUENCE POINTS
is sequence points applicable for pointers too ??
the output varies based on compiler or underlying machine architecture
can anybody give clear picture about sequence points and whats happening in
this code...thanks in advance :)
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Re: [algogeeks] C aps output
On Fri, May 20, 2011 at 3:19 PM, siva viknesh sivavikne...@gmail.com wrote:
main()
{
int i = 257;
int *iPtr = i;
printf(%d %d, *((char*)iPtr), *((char*)iPtr+1) );
}
Answer:
1 1
i = 10001
first case *((char *)iPtr) cast to char 8 bits, discard first bit
0001 == 1
second *((char *)iPtr+1) cast to char 8bit address of pointer of type
char (8 bits) + 1 (next 8 bits) == 1
[ 0001] [ 0001] = 257
*((char *)iPtr+1)*((char *)iPtr
main()
{
int i = 258;
int *iPtr = i;
printf(%d %d, *((char*)iPtr), *((char*)iPtr+1) );
}
Answer:
2 1
same as above.
..can anybody explain how??
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$iva
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[algogeeks] c aps
#includestdio.h
int main()
{
int i=2;
for(printf(cat );printf(rat )i--;printf(mat ))
{
printf(bat );
}
}
ouput : cat rat bat mat rat bat mat rat
can anybody plz explain how we get this output??
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Re: [algogeeks] c aps
the printf function returns 1 when it prints a string..
for (1;1i--;1)
{
printf(bat);
}
note that i=2 has been cunningly initialized before. and the decrement of i
has been done in middle expression of the for loop
hence, actually its like
for(;i--;)
{
}
how many times will this execute? Twice.i=1 and i=2, for i=O, the middle
condition shall become O and hence fails.
therefore the ouput.
On Sun, Jan 9, 2011 at 6:48 PM, siva viknesh sivavikne...@gmail.com wrote:
#includestdio.h
int main()
{
int i=2;
for(printf(cat );printf(rat )i--;printf(mat ))
{
printf(bat );
}
}
ouput : cat rat bat mat rat bat mat rat
can anybody plz explain how we get this output??
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$iva
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Re: [algogeeks] C aps ques
the evalution will be done from right to left in printf
statement..so ++x will be evaluted and then x++.may be the out
put is 6 and 6 i think
On 13 December 2010 22:39, siva viknesh sivavikne...@gmail.com wrote:
#includestdio.h
int main()
{
int x = 5;
printf(%d %d, x++, ++x);
return 0;
}
for this output is 6 7 ... how evaluation proceeds??
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[algogeeks] C aps ques
#includestdio.h
int main()
{
int x = 5;
printf(%d %d, x++, ++x);
return 0;
}
for this output is 6 7 ... how evaluation proceeds??
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$iva
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