Cod sursa(job #1288682)

Utilizator CourageAntal Alexandru Courage Data 8 decembrie 2014 23:21:58
Problema Cifra Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
std :: ifstream in ("cifra.in");
std :: ofstream out ("cifra.out");


int rez (int n)
{
    return (n * (n + 1) * (2 * n + 1) / 6) % 10;
}

int main ()
{
    int i, n, x;
    in >> n;
    for (i=1;i<=n;i++){
        in >> x;
        out << rez(x) << '\n';
    }
    return 0;
}