[ABC339D] Synchronized Players

搜索 · 广度优先搜索 BFS

[ABC339E] Smooth Subsequence

动态规划 DP · 线段树

[ABC339F] Product Equality

数学 · 哈希 hashing

[ABC339G] Smaller Sum

线段树 · 可持久化线段树 · 分块

[ABC340A] Arithmetic Progression

[ABC340B] Append

[ABC340C] Divide and Divide

递推 · 记忆化搜索

[ABC340D] Super Takahashi Bros.

最短路

[ABC340E] Mancala 2

线段树

[ABC340F] S = 1

数学 · 扩展欧几里德算法

[ABC340G] Leaf Color

虚树

[ABC341A] Print 341

[ABC341B] Foreign Exchange

[ABC341C] Takahashi Gets Lost

模拟

[ABC341D] Only one of two

二分

[ABC341E] Alternating String

线段树

[ABC341F] Breakdown

动态规划 DP · 图论 · 背包 DP · 拓扑排序

[ABC341G] Highest Ratio

凸包

[ABC342A] Yay!

[ABC342B] Which is ahead?

[ABC342C] Many Replacement

模拟

[ABC342D] Square Pair

数论

[ABC342E] Last Train

最短路

[ABC342F] Black Jack

动态规划 DP · 线段树 · 概率论

[ABC342G] Retroactive Range Chmax

线段树

[ABC343A] Wrong Answer

[ABC343B] Adjacency Matrix

图论

[ABC343C] 343

模拟 · 枚举

[ABC343D] Diversity of Scores

模拟

[ABC343E] 7x7x7

数学 · 枚举

[ABC343F] Second Largest Query

线段树

[ABC343G] Compress Strings

动态规划 DP · 状态合并 · KMP 算法

[ABC344A] Spoiler

[ABC344B] Delimiter

栈

[ABC344C] A+B+C

模拟

[ABC344D] String Bags

动态规划 DP · 背包 DP

[ABC344E] Insert or Erase

链表

[ABC344F] Earn to Advance

动态规划 DP · 贪心

[ABC344G] Points and Comparison

二分 · 扫描线

[ABC345A] Leftrightarrow

[ABC345B] Integer Division Returns

[ABC345C] One Time Swap

排列组合

[ABC345D] Tiling

搜索 · 深度优先搜索 DFS

[ABC345E] Colorful Subsequence

动态规划 DP

[ABC345F] Many Lamps

生成树

[ABC345G] Sugoroku 5

多项式

[ABC346A] Adjacent Product

[ABC346B] Piano

[ABC346C] Σ

数学

[ABC346D] Gomamayo Sequence

动态规划 DP