fork()==0世界线变动

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Codeforces Round 965 (Div. 2)

发表于 2024-11-30 分类于 codeforces ， contest

A. Find K Distinct Points with Fixed Center

B. Minimize Equal Sum Subarrays

C. Perform Operations to Maximize Score

D. Determine Winning Islands in Race

E1. Eliminating Balls With Merging (Easy Version)

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Codeforces Round 968 (Div. 2)

发表于 2024-11-30 分类于 codeforces ， contest

A. Turtle and Good Strings

B. Turtle and Piggy Are Playing a Game 2

C. Turtle and Good Pairs

D1. Turtle and a MEX Problem (Easy Version)

D2. Turtle and a MEX Problem (Hard Version)

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AtCoder Beginner Contest 380

发表于 2024-11-26 分类于 atcoder

D - Strange Mirroring

E - 1D Bucket Tool

F - Exchange Game

G - Another Shuffle Window

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Codeforces Round 963 (Div. 2)

发表于 2024-11-26 分类于 codeforces ， contest

A. Question Marks

B. Parity and Sum

C. Light Switches

E. Xor-Grid Problem

F1. Dyn-scripted Robot (Easy Version)

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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 Game

C. Hungry Games

F. Stardew Valley

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Educational Codeforces Round 168 (Rated for Div. 2)

发表于 2024-11-26 分类于 codeforces ， contest

A. Strong Password

B. Make Three Regions

C. Even Positions

D. Maximize the Root

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树与图

发表于 2024-06-03 更新于 2024-11-26 分类于 Algorithm

树与图
- 子树计数模板
- 搜索剪枝技巧
- 并查集
- 欧拉图
- 二分图
- tarjan 连通分量
- 网络流
- 链式前向星
- 最短路
- 精确覆盖 Dance Links
- DFS序与欧拉序
- 树上问题
  - 虚树
  - 树分治
  - LCA
  - 树链剖分
    - 长链剖分
    - 重链剖分
    - 实链剖分
  - 树的直径与中心

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