Cod sursa(job #870971)
Utilizator | Data | 4 februarie 2013 10:48:34 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.35 kb |
#include<fstream>
using namespace std;
int main()
{long long s=0,n,i,j,d,ok;
ifstream f("fractii.in");
ofstream g("fractii.out");
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{ok=1;
if(i<=j)
{for(d=2;d<=j;d++)
if(i%d==0 && j%d==0)
ok=0;
}
else
{for(d=2;d<=i;d++)
if(i%d==0 && j%d==0)
ok=0;
}
if(ok==1)
s++;
}
g<<s;
return 0;
}