#H608. [CSP-S 2020] 动物园

[CSP-S 2020] 动物园

题目描述

image.png

输入格式

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输出格式

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3 3 5 4
1 4 6
0 3
2 4
2 5

13

2 2 4 3
1 2
1 3
2 4

2

提示

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