Div1+2 分類

2021

11-30

Deltix Round, Autumn 2021 E(线段树)

线段树

09-03

Deltix Round, Summer 2021 F 图，互斥拆分，bitset枚举子集，概率论

数学图概率论互斥拆分 bitset 子集遍历

2020

03-20

Codeforces Global Round 7 D1,D2

贪心

01-09

Hello 2020 E (计算几何,浮点数)

计算几何枚举浮点数

01-04

Good Bye 2019 F (分块算法)

数学暴力分块字符串

2019

10-17

Codeforces Global Round 5 E (bitdp)

树 DP 树上DP TODO

09-16

Codeforces Round 584 - Dasha Code Championship - Elimination Round E (状压DP + 常数优化)

状压DP DP 状态压缩贪心排序常数优化

04-20

Forethought Future Cup - Elimination Round D (gcd入门)

dijkstra DP

2017

12-30

Good Bye 2017 D(math:series + extended Euclidean + dp)

DP 概率论

10-06

Codeforces Round 438 by Sberbank and Barcelona Bootcamp F

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