Cod sursa(job #383522)
Utilizator | Data | 16 ianuarie 2010 19:21:42 | |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.36 kb |
#include <fstream>
using namespace std;
int main ()
{
int P,Q,N,s,ok,d;
ifstream fin ("fractii.in");
ofstream fout("fractii.out");
fin>>N;
s=0;
for (P=1;P<=N;P++)
{
for (Q=1;Q<=N;Q++)
{
ok=0;
for (d=2;d<=P;d++)
{
if (P%d==0 && Q%d==0)
{
ok=1;
break;
}
}
if (ok==0) s=s+1;
}
}
fout<<s;
}