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Codeforces

BFS(1) CDQ分治和整体二分(1) 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 / Codeforces （共15篇）

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

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

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

Codeforces421C Online Meeting

http://codeforces.com/problemset/problem/421/C Nearly each project of the F company has a whole team of developers working on it. They often are in d...

2019-03-28

0 589

Codeforces 425 A Sereja and Swaps

http://codeforces.com/problemset/problem/425/A As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notati...

2019-03-27

0 891

Codeforces405D Toy Sum

http://codeforces.com/contest/405/problem/D Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so...

2019-03-22

0 470

Codeforces403B Upgrading Array

http://codeforces.com/contest/403/problem/B You have an array of positive integers a[1], a[2], ..., a[n] and a set of bad prime numbers b1, b2, ..., ...

2019-03-22

0 552

Codeforces414D. Mashmokh and Water Tanks

http://codeforces.com/problemset/problem/414/D Mashmokh is playing a new game. In the beginning he has k liters of water and p coins. Additionally he...

2019-03-20

0 791