#520. 防守战线
防守战线
No submission language available for this problem.
说明
样例
5 3
1 5 6 3 4
2 3 1
1 5 4
3 5 2
11
提示
No submission language available for this problem.
5 3
1 5 6 3 4
2 3 1
1 5 4
3 5 2
11
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