Busy Beaver

贪心 · 枚举 · 优先队列

Beaver's Jumping Track (Hard Version)

动态规划 DP · 线段树 · 分块 · 动态 DP

Beaver's Jumping Track (Easy Version)

动态规划 DP · 线段树 · 动态 DP

Odd Eraser

数学 · 最大公约数 gcd

Carrot Chopdown (Hard Version)

贪心 · 前缀和

Carrot Chopdown (Easy Version)

贪心

Far Cities

Magic Tiles

动态规划 DP · 离散化

DivMEX

数学 · 线段树

Plus Minus Tree

Moo Language School

Minus Two

101

贪心 · 构造

MEX Multiset

贪心 · 构造

Treasure Map Destruction (Constructive Version)

Binary Bubble Sort Inversions

Index Removal

Treasure Map Destruction (Counting Version)

动态规划 DP · 图论 · 组合数学 · 线性 DP

Monocarp's Contest

Monocarp and Projects

数学 · 枚举

Maximize XOR, Minimize Operations

Signs of Prefix Sums

Cyclic Balance

Edge Three-Coloring

图论 · 并查集 · 枚举

Sortable Permutations

Hey, It's Me, Souvlakity

博弈论

What's the Capital of France?

贪心 · 位运算

I Know About a Million Things

博弈论

Come Be My Friend, Don't Be So Scared (Hard Version)

贪心 · 哈希 hashing · 构造

Come Be My Friend, Don't Be So Scared (Easy Version)

构造

What Does the Cow Say?

贪心 · 树形数据结构 · 二分 · 单调队列 · 深度优先搜索 DFS · 前缀和

Plegma II: Ask Me Any Cell (Hard Version)

Plegma II: Ask Me Any Cell (Easy Version)

构造 · Ad-hoc

1 2 3 and XOR, Where Did Everybody Go?

Oh Tree Tree Tree, No Need to Leave

Floor of MEX (Hard Version)

动态规划 DP · 前缀和 · 差分

Floor of MEX (Easy Version)

构造 · 差分

Culling Game

模拟 · 线段树 · 二分 · 树状数组

Traveling the World

枚举 · STL

PLUSworld

图论 · 贪心 · 图论建模 · 强连通分量 · 构造

Paired Bracket Sequences

动态规划 DP · 数学 · 组合数学 · 容斥原理 · Catalan 数

Rank Removal

Min Max Game

Min Matrices

构造

Rumb Needs a Hand

Knife's Pill Farm

Madamant's Skating Dynasty

Dr. Agos's Dark Mode

A Prime Flood (Hard Version)

动态规划 DP

A Prime Flood (Easy Version)

动态规划 DP