Ants

模拟 · 搜索 · 数学

Balance

图论

Game with Powers

Princess and Her Shadow

记忆化搜索 · 最短路 · 构造

Even Odds

模拟 · 进制 · 位运算

Strings of Power

Malek Dance Club

Psychos in a Line

Kalila and Dimna in the Logging Industry

动态规划 DP · 斜率优化

Have You Ever Heard About the Word?

字符串 · 二分 · 哈希 hashing

Ping-Pong

Magic Numbers

Ping-Pong (Easy Version)

Ciel and Robot

Ciel and Duel

Ciel the Commander

点分治 · 树的重心

Ciel and Flipboard

贪心 · 枚举

Ciel and Gondolas

动态规划 DP · 单调队列 · 凸完全单调性（wqs 二分） · 四边形不等式 · 决策单调性

Ciel and Dancing

Ciel and Flowers

Black-and-White Cube

Tournament-graph

Two permutations

Square and Rectangles

Stadium and Games

Monsters and Diamonds

Reclamation

并查集

The Red Button

并查集 · 深度优先搜索 DFS · 图论建模 · 欧拉回路

Flipping Game

模拟 · 枚举

Hungry Sequence

Magic Five

Block Tower

Axis Walking

动态规划 DP · 状态合并 · 进制 · 前缀和 · 状压 DP

IQ Test

Sheldon and Ice Pieces

Purification

Biridian Forest

广度优先搜索 BFS

Graph Reconstruction

The Evil Temple and the Moving Rocks

Evil

Cakeminator

Road Construction

Oh Sweet Beaverette

Oh Sweet Beaverette

Shave Beaver!

Shave Beaver!

The Great Julya Calendar

The Great Julya Calendar

The Great Julya Calendar

Escaping on Beaveractor