Halloween party

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

 

 1 def main():

 2     t = int(raw_input())

 3     for _ in range(t):

 4         k = int(raw_input())

 5         if k % 2 == 0:

 6             k //= 2

 7             print k * k

 8         else:

 9             k //= 2

10             print k * (k + 1)

11 

12 main()

 

错误

　　脑子里面对变量的认识还不够明确