AFreeMan

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BFS(1) CDQ分治和整体二分(1) Codeforces(15) DFS(4) GDUT训练(8) KMP(1) MST(1) RMQ(2) Trie(1) 二分(3) 几何(2) 区间型DP(5) 单调栈(3) 容斥原理(2) 尺取(1) 差分(1) 广工新生赛题解(1) 序列型DP(1) 思维(1) 拓扑排序(1) 排序(3) 搜索(2) 数位DP(5) 数论(9) 无向图双连通分量(1) 最短路(8) 未归档(95) 杂(5) 栈/(优先)队列/链表(1) 树形DP(2) 树链剖分(2) 棋盘型DP(4) 概率/期望DP(3) 模拟退火(1) 物理(1) 状压型DP(9) 矩阵快速幂(2) 线性DP(4) 线段树/树状数组(8) 组合数学(1) 缩点(不仅SCC)(1) 网络流(4) 背包型DP(4) 莫队算法(2) 贪心(3) 题解(3)

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全部文章（共238篇）

POJ - 3177 Redundant Paths

In order to get from one of the F (1 <= F <= 5,000) grazing fields (which are numbered 1..F) to another field, Bessie and the rest of the herd a...

2019-02-04

0 535

Creative Snap

http://codeforces.com/contest/1111/problem/C Thanos wants to destroy the avengers base, but he needs to destroy the avengers along with their base. ...

2019-02-04

0 580

Average Superhero Gang Power

http://codeforces.com/contest/1111/problem/B Every superhero has been given a power value by the Felicity Committee. The avengers crew wants to maxim...

2019-02-04

0 521

计蒜客百度地图导航

https://nanti.jisuanke.com/t/A1244 百度地图上有 nnn 个城市，城市编号依次为 111 到 nnn。地图中有若干个城市群，编号依次为 111 到 mmm。每个城市群包含一个或多个城市；每个城市可能属于多个城市群，也可能不属于任何城市群。地图中有两类道路。第一...

2019-02-03

0 742

Okabe and City

http://codeforces.com/problemset/problem/821/D Okabe likes to be able to walk through his city on a path lit by street lamps. That way, he doesn't...

2019-02-03

0 520

Popular Cows

Every cow's dream is to become the most popular cow in the herd. In a herd of N (1 <= N <= 10,000) cows, you are given up to M (1 <= M <= ...

2019-02-01

0 730

Lunar New Year and a Wander

http://codeforces.com/contest/1106/problem/D Lunar New Year is approaching, and Bob decides to take a wander in a nearby park. The park can be repre...

2019-02-01

0 494

cf Volleyball

http://codeforces.com/problemset/problem/95/C Petya loves volleyball very much. One day he was running late for a volleyball match. Petya hasn't boug...

2019-01-30

0 605

Vasya and Binary String

http://codeforces.com/contest/1107/problem/E Vasya has a string ss of length nn consisting only of digits 0 and 1. Also he has an array aa of length ...

2019-01-27

0 614

Roadblocks

http://poj.org/problem?id=3255 Bessie has moved to a small farm and sometimes enjoys returning to visit one of her best friends. She does not want to...

2019-01-27

0 498