Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2) 发表于 2024-11-10 更新于 2024-11-26 分类于 codeforces ， contest A. Diverse GameB. Fun GameC. Hungry GamesD. Funny GameE. Wooden GameF. Stardew Valley 阅读全文 »
Educational Codeforces Round 168 (Rated for Div. 2) 发表于 2024-11-26 分类于 codeforces ， contest A. Strong PasswordB. Make Three RegionsC. Even PositionsD. Maximize the RootE. Level Up 阅读全文 »
树与图 发表于 2024-06-03 更新于 2024-11-26 分类于 Algorithm 树与图DFS序与欧拉序树上问题树分治树链剖分重链剖分长链剖分实链剖分虚树树的直径与中心LCA搜索剪枝技巧链式前向星精确覆盖 Dance Links欧拉图tarjan 连通分量网络流最短路二分图子树计数模板并查集 阅读全文 »