Halloween party

https://www.hackerrank.com/challenges/halloween-party

 

def main():
    t = int(raw_input())
    for _ in range(t):
        k = int(raw_input())
        if k % 2 == 0:
            k //= 2
            print k * k
        else:
            k //= 2
            print k * (k + 1)

main()

 

错误

　　脑子里面对变量的认识还不够明确