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Codeforces Round #750 (Div. 2) E. Pchelyonok and Segments (dp)

_Kolibri 2021-10-27 10:53 阅读:78 评论:0 推荐:0

Codeforces Round #724 (Div. 2) D. Omkar and Medians (权值线段树,动态开点)

_Kolibri 2021-06-08 19:30 阅读:78 评论:0 推荐:0

Codeforces Round #665 (Div. 2) D. Maximum Distributed Tree (dfs计数,树)

_Kolibri 2020-12-11 13:47 阅读:78 评论:0 推荐:0

Educational Codeforces Round 94 (Rated for Div. 2) D. Zigzags (枚举,前缀和)

_Kolibri 2020-11-06 22:40 阅读:76 评论:0 推荐:0

AtCoder Regular Contest 126 B - Cross-free Matching (dp,线段树)

_Kolibri 2021-09-25 21:55 阅读:75 评论:0 推荐:0