Turtle Puzzle: Rearrange and Negate

贪心

Turtle Math: Fast Three Task

数学

Turtle Fingers: Count the Values of k

枚举

Turtle Tenacity: Continual Mods

数学

Turtle vs. Rabbit Race: Optimal Trainings

二分

Turtle Mission: Robot and the Earthquake

广度优先搜索 BFS

Turtle Magic: Royal Turtle Shell Pattern

Ad-hoc

Too Min Too Max

贪心

Yet Another Coin Problem

数学 · 贪心

Find a Mine

数学

XOR Break — Game Version

构造

XOR Break — Solo Version

Weird LCM Operations

Entertainment in MAC

Informatics in MAC

Messenger in MAC

Exam in MAC

组合数学 · 容斥原理

Distance Learning Courses in MAC

贪心 · ST 表

Andrey's Tree

Bitwise Operation Wizard

Pinball

Pokémon Arena

Bitwise Paradox

线段树 · 倍增 · 进制 · ST 表 · 位运算

Yet Yet Another Permutation Problem

Grand Finale: Circles

Shuffle Party

数学

Binary Path

动态规划 DP · 贪心

Rudolf and the Ticket

模拟

Rudolf and 121

贪心

Rudolf and the Ugly String

模拟 · 贪心

Rudolf and the Ball Game

动态规划 DP

Rudolf and k Bridges

动态规划 DP · 单调队列

Rudolf and Imbalance

贪心 · 二分 · 双指针 two-pointer

Rudolf and Subway

最短路

Farmer John's Challenge

数学

Bessie and MEX

数学

Bessie's Birthday Cake (Hard Version)

数学 · 贪心

Bessie's Birthday Cake (Easy Version)

数学

Learning to Paint

动态规划 DP · 堆

Farm Game

Farmer John's Favorite Function

Bessie and Cards

Farmer John's Favorite Intern

MEX Game 1

Non-Palindromic Substring

Tree Compass

Counting Is Fun (Hard Version)

动态规划 DP · 组合数学 · 前缀和 · 容斥原理

Counting Is Fun (Easy Version)

动态规划 DP · 组合数学 · 容斥原理

MEX Game 2 (Hard Version)

MEX Game 2 (Easy Version)