Cod sursa(job #1288680)

Utilizator CourageAntal Alexandru Courage Data 8 decembrie 2014 23:20:29
Problema Cifra Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <cstdio>

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

int main ()
{
    int i, n, x;
    freopen("cifra.in", "r", stdin);
    freopen("cifra.out", "w", stdout);

    scanf("%d", &n);
    for (i=1;i<=n;i++){
        scanf("%d", &x);
        printf("%d\n", rez(x));
    }
    return 0;
}