#BZOJ1786. [Ahoi2008]Pair 配对
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ID: 25148
Type: Default
1000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
Hydro
[Ahoi2008]Pair 配对
题目描述
输入格式
输出格式
5 4
4 2 -1 -1 3
4
f提示
Source
Day1