poj3086

简单题，

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

int main()
{
    //freopen("D:\\t.txt", "r", stdin);
    int t, n;
    scanf("%d", &t);
    for (int i = 0; i < t; i++)
    {
        scanf("%d", &n);
        int w = 0, x = 1;
        for (int j = 1; j <= n; j++)
        {
            x += j + 1;
            w += j * x;
        }
        printf("%d %d %d\n", i + 1, n, w);
    }
    return 0;
}