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我发现我有道叫 "[SCOI2010]连续攻击游戏" 的题白写了.. Description There are $n$ students and $m$ clubs in a college. The clubs are numbered from $1$ to $m$. Each student 阅读全文
摘要：
反演套 DP 的好题（不用反演貌似也能做 Description Vivek initially has an empty array $a$ and some integer constant $m$. He performs the following algorithm: 1. Select 阅读全文