Cod sursa(job #214820)

Utilizator gggbbbyyyDarkMan gggbbbyyy Data 16 octombrie 2008 10:10:58
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>

int cmmdc(int a,int b)
{
  while(a!=b)
    a>b?(a-=b):(b-=a);
  return a;
}

int main()
{
  int n,i,j,nr;
  ifstream f("fractii.in");
  ofstream g("fractii.out");
  f>>n;
  nr=0;
  for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
      if(cmmdc(i,j)==1)
	nr++;
  g<<nr;
  g.close();
  return 0;
}