Cod sursa(job #1010255)
Utilizator | Data | 14 octombrie 2013 16:57:49 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include <fstream>
using namespace std;
int main()
{ifstream in("fractii.in");
ofstream out("fractii.out");
int N,nr,n1,n2,d,l;
in>>N;
nr=0;
for(n1=1;n1<=N;n1++)
for(n2=1;n2<=N;n2++)
{l=1;
for(d=2;d<=n1/2)
if(n1%d==0&&n2%d==0)
l=0;
if(l==1)
nr=nr+1;}
out<<nr;
in.close();
out.close();
return 0;}