[ABC292B] Yellow and Red Card

[ABC292C] Four Variables

[ABC292D] Unicyclic Components

[ABC292E] Transitivity

[ABC292F] Regular Triangle Inside a Rectangle

[ABC292G] Count Strictly Increasing Sequences

[ABC292Ex] Rating Estimator

线段树 · 二分

[ABC293A] Swap Odd and Even

[ABC293B] Call the ID Number

[ABC293C] Make Takahashi Happy

[ABC293D] Tying Rope

并查集

[ABC293E] Geometric Progression

[ABC293F] Zero or One

[ABC293G] Triple Index

莫队

[ABC293Ex] Optimal Path Decomposition

[ABC294A] Filter

[ABC294B] ASCII Art

[ABC294C] Merge Sequences

[ABC294D] Bank

[ABC294E] 2xN Grid

[ABC294F] Sugar Water 2

[ABC294G] Distance Queries on a Tree

树链剖分

[ABC294Ex] K-Coloring

集合幂级数，子集卷积

[ABC295A] Probably English

[ABC295B] Bombs

[ABC295C] Socks

[ABC295D] Three Days Ago

[ABC295E] Kth Number

[ABC295F] substr = S

[ABC295G] Minimum Reachable City

[ABC295Ex] E or m

动态规划 DP · 轮廓线 DP

[ABC296A] Alternately

[ABC296B] Chessboard

[ABC296C] Gap Existence

[ABC296D] M<=ab

[ABC296E] Transition Game

[ABC296F] Simultaneous Swap

[ABC296G] Polygon and Points

[ABC296Ex] Unite

[ABC297A] Double Click

[ABC297B] chess960

[ABC297C] PC on the Table

[ABC297D] Count Subtractions

[ABC297E] Kth Takoyaki Set

[ABC297F] Minimum Bounding Box 2

[ABC297G] Constrained Nim 2

[ABC297Ex] Diff Adjacent

[ABC298A] Job Interview

[ABC298B] Coloring Matrix

[ABC298C] Cards Query Problem