#BZOJ4543. Hotel加强版
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ID: 3162
Type: RemoteJudge
1000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
root
Hotel加强版
题目描述
同OJ3522
数据范围：n<=100000
7
1 2
5 7
2 5
2 3
5 6
4 5
5