Cod sursa(job #1458506)
Utilizator | Data | 7 iulie 2015 17:42:57 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.32 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("fracții.in");
ofstream out("fractii.out");
int main() {
int n, f;
in >> n;
f = 2 * (n - 1);
for (int i = 2; i <= n; i++)
for (int j = 1; j <= n; j++)
if (i % j != 0)
f++;
out << f;
}