whether u write your code in assembly or c or even in Machine code it will take the same time.. because after-all ,on system ...your executable runs not ur code and which is not in c not in assembly but in machine code
On Thu, Jun 16, 2011 at 9:11 AM, saurabh singh <[email protected]> wrote: > Hello > I have been thinking if I can use asm in c programs to enhance my time... > So to give it a try i tried http://www.spoj.pl/problems/STREETR/ > with the following code: > #include<stdio.h> > int gcd( int a, int b ) { > int result ; > > __asm__ __volatile__ ( "movl %1, %%eax;" > "movl %2, %%ebx;" > "CONT1D: cmpl $0, %%ebx;" > "je D1ONE;" > "xorl %%edx, %%edx;" > "idivl %%ebx;" > "movl %%ebx, %%eax;" > "movl %%edx, %%ebx;" > "jmp CONT1D;" > "D1ONE: movl %%eax, %0;" : "=g" (result) : "g" > (a), "g" (b) > ); > > return result ; > } > > > int main() > { > int n,i,min,ans=0; > scanf("%d",&n); > int arr[n],ard[n]; > ard[0]=1; > if(n>0) > scanf("%d",&arr[0]); > for(i=1;i<n;i++) > { > scanf("%d",&arr[i]); > ard[i]=arr[i]-arr[i-1]; > if(i==1) > min=ard[i]; > else > min=gcd(min,ard[i]); > > } > for(i=1;i<n;i++) > { > ans+=((ard[i]/min)-1); > } > printf("%d",ans); > return 0; > > } > > > > Its according to the i386 arch. it ran fine on my computer but giving > complilation error in SPOJ judge..... > I am yet a novice with asm's so dont know if I made sense at all.But please > do help with this, > > -- > Saurabh Singh > B.Tech (Computer Science) > 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 [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- Regards Aditya Kumar B-tech 3rd year Computer Science & Engg. 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
