Cod sursa(job #84789)
Utilizator | Data | 17 septembrie 2007 15:03:49 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.22 kb |
#include<fstream.h>
ifstream f("fractii.in");
ofstream g("fractii.out");
int n;
long k;
int main()
{f>>n;
k=2*n-1;
for(int i=2;i<=n;i++)
for(int j=2;j<=n;j++)
if(i!=j&&i%j!=0&&j%i!=0)
k++;
g<<k;
return 0;
}