[ABC357B] Uppercase and Lowercase

模拟

[ABC357C] Sierpinski carpet

递归

[ABC357D] 88888888

逆元

[ABC357E] Reachability in Functional Graph

强连通分量

[ABC357F] Two Sequence Queries

线段树

[ABC357G] Stair-like Grid

[ABC358A] Welcome to AtCoder Land

模拟

[ABC358B] Ticket Counter

模拟

[ABC358C] Popcorn

深度优先搜索 DFS

[ABC358D] Souvenirs

贪心 · 二分

[ABC358E] Alphabet Tiles

动态规划 DP

[ABC358F] Easiest Maze

模拟 · 构造

[ABC358G] AtCoder Tour

动态规划 DP

[ABC359A] Count Takahashi

模拟

[ABC359B] Couples

模拟

[ABC359C] Tile Distance 2

数学

[ABC359D] Avoid K Palindrome

动态规划 DP · 状态合并 · 状压 DP

[ABC359E] Water Tank

单调栈

[ABC359F] Tree Degree Optimization

贪心

[ABC359G] Sum of Tree Distance

虚树 · 根号分治

[ABC360A] A Healthy Breakfast

模拟

[ABC360B] Vertical Reading

字符串

[ABC360C] Move It

贪心

[ABC360D] Ghost Ants

二分

[ABC360E] Random Swaps of Balls

动态规划 DP · 期望

[ABC360F] InterSections

线段树 · 扫描线

[ABC360G] Suitable Edit for LIS

动态规划 DP · 树状数组

[ABC361A] Insert

模拟

[ABC361B] Intersection of Cuboids

数学

[ABC361C] Make Them Narrow

模拟 · 贪心

[ABC361D] Go Stone Puzzle

广度优先搜索 BFS

[ABC361E] Tree and Hamilton Path 2

贪心 · 树的直径

[ABC361F] x = a^b

数学 · 枚举

[ABC361G] Go Territory

并查集 · 双指针 two-pointer

[ABC362A] Buy a Pen

[ABC362B] Right Triangle

数学

[ABC362C] Sum = 0

贪心 · 构造

[ABC362D] Shortest Path 3

最短路

[ABC362E] Count Arithmetic Subsequences

动态规划 DP · 离散化

[ABC362F] Perfect Matching on a Tree

贪心 · 树形数据结构

[ABC362G] Count Substring Query

AC 自动机

[ABC363A] Piling Up

[ABC363B] Japanese Cursed Doll

模拟

[ABC363C] Avoid K Palindrome 2

枚举

[ABC363D] Palindromic Number

枚举

[ABC363E] Sinking Land

广度优先搜索 BFS

[ABC363F] Palindromic Expression

搜索

[ABC363G] Dynamic Scheduling

贪心 · 线段树 · 模拟费用流

[ABC364A] Glutton Takahashi

[ABC364B] Grid Walk

模拟