#BZOJ4142. [Thu Summer Camp 2013]宇宙飞艇
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ID: 27005
Type: Default
1000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
Hydro
[Thu Summer Camp 2013]宇宙飞艇
题目描述
输入格式
输出格式
4
1 1
0 1
1 0
-1 0
0 -1
2
2
1 2 1 0
f提示
