to do

to learn

• DP of DP
• 线段树优化建图
• 重学 2-SAT
• 树分治
• SegBeat

Problems

[ABC248Ex] Beautiful Subsequences

Solutions

AT 的 DS 系列专题

[ABC244Ex] Linear Maximization

P3084 [USACO13OPEN] Photo G

P1856 [IOI1998] [USACO5.5] 矩形周长Picture

P1848 [USACO12OPEN] Bookshelf G

[ABC252Ex] K-th beautiful Necklace

[ABC240Ex] Sequence of Substrings

P7058 [NWRRC2015] Kingdom Trip

CF643F Bears and Juice

Log Set 卡密！背包神题！2023.09.24 完工！

Bob's Average 我的第一道整体二分