Codeforces Round 641 (Div. 1) D(概率论)E()F1()F2() 概率论

Div1 分類

2020

05-12

Codeforces Round 641 (Div. 1) D(概率论)E()F1()F2()

概率论

04-25

Codeforces Round 637 C(入门bfs)

dijkstra bfs

01-20

Codeforces Round 614 C - Xenon_s Attack on the Gangs(树上区间DP,mex)

树 DP mex 贪心 区间DP

2019

09-24

Codeforces Round 588 C (graph)

状压DP DP 状态压缩 贪心 排序 常数优化

07-31

Codeforces Round 576 D (DP)

DP Rust 二分

03-09

Codeforces Round 545 C,D(floyd判环)

floyd判环

01-08

Codeforces Round 530 B 数学题 简单反证

2018

12-12

Codeforces Round 526 C (线段树+LCA+树的遍历->树上链状合并+MEX)

LCA 线段树 mex

07-14

Codeforces Round 497 B(容斥)

容斥

07-01

Codeforces Round 493 (Div. 1) 容斥(493D1C,497D1B)

容斥

2017

11-20

Codeforces Round 446 (Div. 1) C(MST + Disjoint Set)

图