Cod sursa(job #355357)

Utilizator andraiandra ionescu andrai Data 10 octombrie 2009 20:19:20
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.29 kb
#include<fstream.h>
int main()
{
 int n,i,k,j,q,ok;
 ifstream f("fractii.in");
 ofstream g("fractii.out");
 f>>n;
 k=2*n-1;
 for(i=2;i<=n;i++)
  for(j=2;j<=n;j++)
   for(q=2;q<=j;q++)
    {ok=1;
     if(i%q==0&&j%q==0)
      ok=0;
     if(ok==1)
      k++;
    }
 g<<k;
 return 0;
}