Cod sursa(job #255322)

Utilizator piuaruanapiuaru ana maria piuaruana Data 9 februarie 2009 07:54:20
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream.h>
ifstream f("fractii.in");
ofstream g("fractii.out");
long n,nr,x,y,i,j;
int main()
{f>>n;
nr=n;
for(i=2;i<=n;i++)
   for(j=1;j<=n;j++)
      {x=i;
      y=j;
      while(x!=y)
	   if(x>=y)
	     x=x-y;
	     else
	     y=y-x;
      if(x==1)
	nr++;
      }
g<<nr<<'\n';
f.close();
g.close();
return 0;
}