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Codeforces 706 D. Vasiliy's Multiset (字典树贪心)

Recoder 2016-08-12 23:55 阅读:231 评论:0 推荐:0

Codeforces 597C. Subsequences (树状数组+dp)

Recoder 2016-08-06 22:50 阅读:231 评论:0 推荐:0

POJ 2342 Anniversary party (树dp)

Recoder 2016-08-28 21:55 阅读:230 评论:0 推荐:0

HDU 2874 Connections between cities (LCA)

Recoder 2016-03-12 14:43 阅读:230 评论:0 推荐:0

Codeforces Round #271 (Div. 2) D. Flowers (递推)

Recoder 2016-05-30 11:33 阅读:228 评论:0 推荐:0