Cod sursa(job #308610)
Utilizator | Data | 27 aprilie 2009 22:23:28 | |
---|---|---|---|
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,s,i,j;
int main()
{
f>>n;
s=2*n-1;
for(i=2;i<=n;i++)
for(j=2;j<=n;j++)
if(((i%j)!=0)&&((j%i)!=0))
s++;
g<<s;
return 0;
}