#include <stdio.h>
#include <stdlib.h>
int main()
{
    int n,s;
    int pre,sufix;
    scanf("%d",&n);
    while(n--)
    {
        scanf("%d",&s);
        pre=(s>>1);
        sufix=s-pre;
        printf("%d\n",(pre*(pre-1)+sufix*(sufix-1))/2);
    }
    system("pause");
}