文章

我发布的所有文章。

• 「P5007」DDOSvoid的疑惑

  10 Oct, 2020

  Tree problem solution - calculating contribution of elements in sets without ancestor-descendant relationships

• 随手的 OI 笔记

  2 Oct, 2020

  OI 竞赛随手笔记，包含算法技巧和解题心得

• 「P4550」 收集邮票

  28 Aug, 2020

  Solution for stamp collecting problem - expected value dynamic programming

• 「CQOI 2014」数三角形 题解

  13 Aug, 2020

  CQOI 2014 problem solution - counting triangles in n×m grid using combinatorics