Cod sursa(job #1805684)

Utilizator Allex_SiriusJega Alexandru Allex_Sirius Data 14 noiembrie 2016 00:46:31
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<fstream>

using namespace std;
int main()
{ long long n, k;
    int i, j;
ifstream f1("fractii.in");
ofstream f2("fractii.out");
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;
}