Cod sursa(job #2284294)

Utilizator kidesoEles Julia kideso Data 17 noiembrie 2018 10:20:12
Problema Fractii Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.24 kb
#include <fstream>

using namespace std;

ifstream fin("fractii.in");
ofstream fout("fractii.out");

long long a,n,i;

int main()
{
    fin>>a;
    n=a*a;
    for(i=1;i<=a-1;i++)
        n=n-a/i+1;

    fout<<n;
    return 0;
}