Cod sursa(job #905271)

Utilizator VladMSBonta vlad valentin VladMS Data 5 martie 2013 18:25:28
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
int v[1000001];
long long suma;
int main()
{
    ifstream fin("fractii.in");
    ofstream fout("fractii.out");
    int n;
    fin>>n;
    for(int i=2;i<=n;++i)
        for(int j=2;j<=n;++j)
            if(i%j!=0&&j%i!=0)
            suma++;
    fout<<suma+n+n-1<<'\n';
}