Divide and Equalize

Block Sequence

动态规划 DP · 线性 DP

Minimum Maximum Distance

树形 DP · 树的直径

Anya and the Mysterious String

线段树

Increasing Sequence

Sets and Union

Card Game

Tree XOR

贪心 · 树形 DP · 位运算

Two Permutations (Hard Version)

排序 · 置换 · 构造

Two Permutations (Easy Version)

排序 · 构造

Morning

Chemistry

Raspberries

In Love

线段树 · STL

Look Back

You Are So Beautiful

Dances (Hard Version)

Dances (Easy version)

Simple Design

Haunted House

Medium Design

线段树 · 离散化 · 枚举 · 优先队列 · 差分

Counting Rhyme

Hard Design

Deterministic Scheduling for Extended Reality over 5G and Beyond

Sum of Three

Fear of the Dark

Decreasing String

Monocarp and the Set

I Wanna be the Team Leader

动态规划 DP · 数学 · 排序 · 构造

Diamond Theft

Time Travel

Minimum Array

Split

Good Colorings

Minimum Segments

Qingshan Loves Strings 2

Doremy's Connecting Plan

Doremy's Drying Plan (Hard Version)

Doremy's Drying Plan (Easy Version)

Game of Stacks

Doremy's Swapping Trees

Doremy's Average Tree

Doremy's Paint 3

Qingshan Loves Strings

Sorting with Twos

Deja Vu

Smilo and Monsters

Suspicious logarithms

Brukhovich and Exams

A Growing Tree