2023年11月25日
D. Letter Picking
摘要： D. Letter Picking Alice and Bob are playing a game. Initially, they are given a non-empty string $s$, consisting of lowercase Latin letters. The lengt 阅读全文
posted @ 2023-11-25 14:19 onlyblues 阅读(3) 评论(0) 推荐(0) 编辑
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