Cod sursa(job #1805691)

Utilizator Allex_SiriusJega Alexandru Allex_Sirius Data 14 noiembrie 2016 00:59:26
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.29 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
long long n, k;
    int i, j;
ifstream f1("fractii.in");
ofstream f2("fractii.out");
int main()
{
f1>>n;
f1.close();
k=2*n-1;
     if(n>2)
    for(i=2;i<=n;i++)
    for(j=2;j<=n;j++)if( i%j!=0  && j%i!=0 )k++;
    f2<<k;
f2.close();
return 0;
}