[ABC238Ex] Removing People

[ABC239A] Horizon

[ABC239B] Integer Division

[ABC239C] Knight Fork

[ABC239D] Prime Sum Game

[ABC239E] Subtree K-th Max

排序 · 深度优先搜索 DFS · 离线处理

[ABC239F] Construct Highway

[ABC239G] Builder Takahashi

网络流 · 最小割

[ABC239Ex] Dice Product 2

动态规划 DP · 整除分块

[ABC240A] Edge Checker

[ABC240B] Count Distinct Integers

[ABC240C] Jumping Takahashi

[ABC240D] Strange Balls

[ABC240E] Ranges on Tree

[ABC240F] Sum Sum Max

[ABC240G] Teleporting Takahashi

[ABC240Ex] Sequence of Substrings

[ABC241A] Digit Machine

[ABC241B] Pasta

[ABC241C] Connect 6

[ABC241D] Sequence Query

[ABC241E] Putting Candies

[ABC241F] Skate

[ABC241G] Round Robin

[ABC241Ex] Card Deck Score

[ABC242A] T-shirt

[ABC242B] Minimize Ordering

[ABC242C] 1111gal password

[ABC242D] ABC Transform

递归

[ABC242E] (∀x∀)

[ABC242F] Black and White Rooks

[ABC242G] Range Pairing Query

莫队

[ABC242Ex] Random Painting

[ABC243A] Shampoo

[ABC243B] Hit and Blow

[ABC243C] Collision 2

[ABC243D] Moves on Binary Tree

[ABC243E] Edge Deletion

[ABC243F] Lottery

[ABC243G] Sqrt

动态规划 DP · 动态规划优化

[ABC243Ex] Builder Takahashi (Enhanced version)

[ABC244A] Last Letter

[ABC244B] Go Straight and Turn Right

[ABC244C] Yamanote Line Game

[ABC244D] Swap Hats

[ABC244E] King Bombee

[ABC244F] Shortest Good Path

[ABC244G] Construct Good Path

[ABC244Ex] Linear Maximization

[ABC245A] Good morning