龍木

题解

c#(1) codeforces(130) dp(2) map(2) RMQ(1) 一些神奇的东西(1) 三分(1) 前缀和(1) 区间dp(1) 博弈(2) 大数(1) 平面几何(1) 并查集(1) 快数幂(1) 总结(1) 打表(1) 找规律(4) 数学(8) 暴力(1) 最小公约数(1) 最小生成树(1) 未归档(31) 杭电(4) 浅谈(8) 深度优先搜索(1) 牛客(10) 组合数(1) 网络流最大流(2)

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全部文章 / 题解（共3篇）

B - Networking

https://vjudge.net/contest/66965#problem/B You are assigned to design network connections between certain points in a wide area. You are given a se...

2019-07-19

0 548

A - Jungle Roads

https://vjudge.net/contest/66965#problem/A The Head Elder of the tropical island of Lagrishan has a problem. A burst of foreign aid money w...

2019-07-19

0 467

D - Constructing Roads

There are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can connect to each other. We say t...

2019-07-19

0 661