CF439C Devu and Partitioning of the Array 题解

CF439C Devu and Partitioning of the Array 题解

Idea题
CF920F SUM and REPLACE 题解

CF920F SUM and REPLACE 题解

线段树相关线段树合并分治分裂Idea题
P3320 [SDOI2015]寻宝游戏 题解

P3320 [SDOI2015]寻宝游戏 题解

Idea题虚树
CF476D Dreamoon and Sets 题解

CF476D Dreamoon and Sets 题解

Idea题
CF1516D Cut 题解

CF1516D Cut 题解

Idea题倍增

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