cdq分治
题单介绍
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题目列表
【模板】三维偏序 / 陌上花开
AI robots
Little Artem and Time Machine
[CQOI2011] 动态逆序对
[USACO17FEB] Why Did the Cow Cross the Road III P
[Violet] 天使玩偶/SJY摆棋子
Goodbye Souvenir
[DBOI2019] 德丽莎世界第一可爱
寻找宝藏
[CH弱省胡策R2] TATT
[SDOI2011] 拦截导弹
[HEOI2016/TJOI2016] 序列
Cool loves touli
[CEOI 2017] Building Bridges
[USACO20JAN] Springboards G
Team Work
[NOI2007] 货币兑换
[Ynoi Easy Round 2016] 镜中的昆虫