Cod sursa(job #965348)

Utilizator abel1090Abel Putovits abel1090 Data 23 iunie 2013 22:51:25
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    ifstream fin("fractii.in");
    ofstream fout("fractii.out");
    int n; fin>>n;
    unsigned long long M=2*n-1;

    for(int i=2; i<=n; i++)
        for(int j=2; j<=n; j++)
            if ((i%j!=0)&&(j%i!=0)) M++;

    fout<<M; return 0;
}