Cod sursa(job #1566042)
Utilizator | Data | 11 ianuarie 2016 19:21:34 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.45 kb |
#include <fstream>
using namespace std;
int main()
{ int n, j, i, s;
ifstream fin ("fractii.in");
ofstream fout ("fractii.out");
fin >> n;
s=2*n-1;
for (i=2; i<=n; i++)
{
for (j=2; j<=n; j++)
{
if (i>j) if (i%j!=0) s=s+1;
if (j>i) if (j%i!=0) s=s+1;
}
}
fout << s<< "\n";
fin.close();
fout.close();
return 0;
}