Cod sursa(job #19442)

Utilizator hazegirlCatalina Predoi hazegirl Data 19 februarie 2007 15:54:54
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int cmmdc(int x, int y)
{while(x!=y)
      if(x>y) x-=y;
      else y-=x;
return x;
}
int main()
{long int n,i,j,nr=0;
ifstream f("fractii.in");
ofstream g("fractii.out");
f>>n;
for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
	 if(cmmdc(i,j)==1) nr++;
g<<nr;
f.close(); g.close();
return 0; }