Leaf Partition

动态规划 DP · 树形 DP · 容斥原理

Zoning Restrictions

动态规划 DP · 网络流 · 区间 DP · 图论建模 · 最小割 · 最大流最小割定理

Satanic Panic

动态规划 DP · 计算几何 · 区间 DP

Hide and Seek

Chladni Figure

Thanos Nim

Palindrome XOR

Rainbow Coins

Zigzag Game

Another One Bites The Dust

Born This Way

Crazy Diamond

Dirty Deeds Done Dirt Cheap

Earth Wind and Fire

Foo Fighters

Gold Experience

Holy Diver

Prefix Sum Primes

Three Religions

动态规划 DP · 有限状态自动机

Tree Generator™

图论 · 线段树

Abandoning Roads

Election Promises

博弈论

Stock Arbitraging

Tiling Challenge

Maxim and Biology

Dima and a Bad XOR

Problem for Nazar

Stas and the Queue at the Buffet

Number of Components

Sonya and Informatics

动态规划 DP · 矩阵加速

Neko Finds Grapes

Neko Performs Cat Furrier Transform

Neko does Maths

数论 · 枚举 · 最大公约数 gcd

Neko and Aki's Prank

动态规划 DP

Neko and Flashback

Neko Rules the Catniverse (Large Version)

动态规划 DP · 矩阵加速 · 拉格朗日插值法

Neko Rules the Catniverse (Small Version)

Serval and Bus

Serval and Toy Bricks

Serval and Parenthesis Sequence

Serval and Rooted Tree

树形 DP

Serval and Snake

Serval and Bonus Problem

动态规划 DP · 期望 · 积分 · 定积分 · 快速数论变换 NTT

Restoring Three Numbers

Make Them Equal

Gourmet Cat

Walking Robot

Two Teams

Shovels Shop

Minimum Possible LCM