Cod sursa(job #117514)

Utilizator cipriancxFMI - gr143 Timofte Ciprian cipriancx Data 21 decembrie 2007 16:33:57
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream.h>

ifstream f("fractii.in");
ofstream g("fractii.out");



long n,i,j,k;
int d,l;


int main()
{
f>>n;
      for(i=1; i<=n-1; i++)
      for(j=i+1; j<=n; j++)

  {d=0;
      for(k=2; k<=i; k++)if(j%k==0 && i%k==0)d++;
      if(d==0)l++;}
g<<2*l+1;

f.close(); g.close();

return 0;}