AFreeMan

分类

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)

/ 注册

全部文章（共238篇）

UVA1401 Remember the Word

https://vjudge.net/problem/UVA-1401 Neal is very curious about combinatorial problems, and now here comes a problem about words. Knowing that Ray has ...

2019-04-10

0 612

Codeforces407C Curious Array

http://codeforces.com/contest/407/problem/C You’ve got an array consisting of n integers: a[1], a[2], …, a[n]. Moreover, there are m queries, each que...

2019-04-07

0 517

Gym101845 B.Binary Strings

http://codeforces.com/group/NVaJtLaLjS/contest/241861/problem/B Felipe has a binary string A of length n (1 ≤ n ≤ 5000) which he wants to transform in...

2019-04-06

0 642

Gym101845 A.Apple Trees

http://codeforces.com/group/NVaJtLaLjS/contest/241861/problem/A In the beginning God created the heaven and the earth, the next five days God created ...

2019-04-04

0 542

Gym101845L.L-shapes

http://codeforces.com/group/NVaJtLaLjS/contest/241861/problem/L The Che square of the Universidad Nacional de Colombia is represented by an N × N matr...

2019-04-03

0 681

Codeforces405 E Graph Cutting

http://codeforces.com/problemset/problem/405/E Little Chris is participating in a graph cutting contest. He’s a pro. The time has come to test his ski...

2019-04-02

0 668

Codeforces425C Sereja and Two Sequences

http://codeforces.com/problemset/problem/425/C Sereja has two sequences a1, a2, …, an and b1, b2, …, bm, consisting of integers. One day Sereja got bo...

2019-03-31

0 525

精品文章收藏

1.LCS的nlogn解法：https://www.cnblogs.com/KYSpring/p/9021909.html 2.高级树状数组：https://www.cnblogs.com/RabbitHu/p/BIT.html 3.树的最小支配集，最小点覆盖与最大独立集：https://www....

2019-03-31

0 500

Codeforces 426D Sereja and Table

http://codeforces.com/problemset/problem/426/D Sereja has an n × m rectangular table a, each cell of the table contains a zero or a number one. Sereja...

2019-03-29

0 563

Codeforces427D Match & Catch

http://codeforces.com/problemset/problem/427/D Police headquarter is monitoring signal on different frequency levels. They have got two suspiciously ...

2019-03-29

0 494