Cod sursa(job #662453)
Utilizator | Data | 16 ianuarie 2012 18:50:39 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.39 kb |
#include<fstream>
using namespace std;
int main()
{
long long n,p=1,q=1,nr=0,ok,i;
ifstream in("fractii.in");
ofstream out("fractii.out");
in >> n;
while (q<=n&&n<=1000000)
{
while (p<=n)
{
ok=1;
i=2;
while (i<=n)
{
if (p%i==0&&q%i==0) ok=0;
i++;
}
if (ok==1)nr++;
p++;
}
p=1;
q++;
}
out<<nr;
in.close();
out.close();
return 0;
}