[SWEA] 지그재그 숫자 (1986) Python

https://swexpertacademy.com/main/code/problem/problemDetail.do?problemLevel=2&contestProbId=AV5PxmBqAe8DFAUq&categoryId=AV5PxmBqAe8DFAUq&categoryType=CODE&problemTitle=&orderBy=INQUERY_COUNT&selectCodeLang=PYTHON&select-1=2&pageSize=10&pageIndex=2 

SW Expert Academy

 

t = int(input())

for i in range(1, t+1):
    n = int(input())
    sum = 0
    for j in range(1, n+1):
        if j % 2 == 0:
            sum -= j
        else:
            sum += j
    print("#{} {}".format(i, sum))

 

 

 

 

혼자 공부하며 올리는 블로그입니다. 틀린 내용은 댓글 남겨주시면 감사하겠습니다.