[ARC095F] Permutation Tree

[ABC095C] Half and Half

[ABC095D] Static Sushi

[ARC096E] Everything on It

[ARC096F] Sweet Alchemy

[ABC097C] K-th Substring

[ABC097D] Equals

[ARC097E] Sorted and Sorted

[ARC097F] Monochrome Cat

[ABC098C] Attention

[ABC098D] Xor Sum 2

[ARC098E] Range Minimum Queries

[ARC098F] Donation

[ABC101C] Minimization

[ABC101D] Snuke Numbers

[ARC099E] Independence

[ARC099F] Eating Symbols Hard

[ABC102C] Linear Approximation

[ABC102D] Equal Cut

[ARC100E] Or Plus Max

动态规划 DP · 快速沃尔什变换 FWT

[ARC100F] Colorful Sequences

[ABC107C] Candles

[ABC107D] Median of Medians

[ARC101E] Ribbons on Tree

[ARC101F] Robots and Exits

[ABC108C] Triangular Relationship

[ABC108D] All Your Paths are Different Lengths

[ARC102E] Stop. Otherwise...

[ARC102F] Revenge of BBuBBBlesort!

[ABC111C] /\/\/\/

[ABC111D] Robot Arms

[ARC103E] Tr/ee

[ARC103F] Distance Sums

[ARC104A] Plus Minus

数学

[ARC104B] DNA Sequence

前缀和

[ARC104C] Fair Elevator

动态规划 DP

[ARC104D] Multiset Mean

背包 DP · 前缀和

[ARC104E] Random LIS

动态规划 DP · 枚举 · 容斥原理

[ARC104F] Visibility Sequence

区间 DP

[ARC105A] Fourtune Cookies

[ARC105B] MAX-=min

[ARC105C] Camels and Bridge

[ARC105D] Let's Play Nim

[ARC105E] Keep Graph Disconnected

[ARC105F] Lights Out on Connected Graph

[ARC106A] 106

[ARC106B] Values

[ARC106C] Solutions

[ARC106D] Powers

[ARC106E] Medals