洛谷P1290“欧几里德的游戏”的一个证明
原题链接。本题有一种复杂度和欧几里得算法相同的$O(\log... Read more
原题链接。本题有一种复杂度和欧几里得算法相同的$O(\log... Read more
Consider the following variant of the Nim game (source: Read more
Link to pr... Read more
题目链接.首先把所有的一元限制按照
给定一张无向图, 有边权, 可能有重边和自环. 我们用
On
A combinatorics problem on tree. Read more
A very brief record on how to build and customize a Hexo blog, migrate from WordPress, and deploy it on Cloudflare Pages. Read more
Definitions, examples using Maybe and [], laws, and more. Read more