zoj 1730 || poj 1455 Crazy Tea Party（= =）

#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <string.h>
using namespace std;
int main(void)
{
	int ncases,n,times;
	cin >> ncases;
	while( ncases-- )
	{
		cin >> n;
		times = n/2*(n/2-1)/2+(n-n/2)*(n-n/2-1)/2;
		cout << times;
		if( ncases )	
			cout << endl;
	}
return 0;
}