poj 1455

 http://poj.org/problem?id=1455

#include<iostream>
using namespace std;
int main()
{
    int n;
    cin>>n;
    while(n--)
    {
        int m;
        cin>>m;
        cout<<(m>>1)*((m-1)>>1)<<endl;
    }
    return 0;
}