[ABC202B] 180°

[ABC202C] Made Up

[ABC202D] aab aba baa

[ABC202E] Count Descendants

[ABC202F] Integer Convex Hull

动态规划 DP · 计算几何

[ABC203A] Chinchirorin

[ABC203B] AtCoder Condominium

[ABC203C] Friends and Travel costs

[ABC203D] Pond

二分 · 前缀和

[ABC203E] White Pawn

模拟

[ABC203F] Weed

[ABC204A] Rock-paper-scissors

[ABC204B] Nuts

[ABC204C] Tour

[ABC204D] Cooking

[ABC204E] Rush Hour 2

[ABC204F] Hanjo 2

动态规划 DP · 动态规划优化 · 矩阵加速 · 状压 DP

[ABC205A] kcal

[ABC205B] Permutation Check

[ABC205C] POW

[ABC205D] Kth Excluded

[ABC205E] White and Black Balls

组合数学 · Catalan 数

[ABC205F] Grid and Tokens

[ABC206A] Maxi-Buying

[ABC206B] Savings

[ABC206C] Swappable

[ABC206D] KAIBUNsyo

[ABC206E] Divide Both

[ABC206F] Interval Game 2

[ABC207A] Repression

[ABC207B] Hydrate

[ABC207C] Many Segments

[ABC207D] Congruence Points

[ABC207E] Mod i

动态规划 DP · 前缀和

[ABC207F] Tree Patrolling

树形 DP

[ABC208A] Rolling Dice

[ABC208B] Factorial Yen Coin

[ABC208C] Fair Candy Distribution

[ABC208D] Shortest Path Queries 2

[ABC208E] Digit Products

数位 DP

[ABC208F] Cumulative Sum

拉格朗日插值法

[ABC209A] Counting

[ABC209B] Can you buy them all?

[ABC209C] Not Equal

组合数学

[ABC209D] Collision

[ABC209E] Shiritori

图论 · 图论建模

[ABC209F] Deforestation

动态规划 DP

[ABC210A] Cabbages

[ABC210B] Bouzu Mekuri

[ABC210C] Colorful Candies