题解 | 牛牛学数列
牛牛学数列
https://www.nowcoder.com/practice/0b97367cd2184c12a0e02f7c223aee11
n=int(input())
if n%2==0:
print(f'{int(n/-2)}')
else:
print(f'{int(n/2)+1}')
牛牛学数列
https://www.nowcoder.com/practice/0b97367cd2184c12a0e02f7c223aee11
n=int(input())
if n%2==0:
print(f'{int(n/-2)}')
else:
print(f'{int(n/2)+1}')
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