tarjan联通问题
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Evildoer_llc
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hdu 1269 （tarjan）强联通 模板题
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1269 为了训练小希的方向感，Gardon建立了一座大城堡，里面有N个房间(N<=10000)和M条通道(M<=100000)，每个通道都是单向的，就是说若称某通道连通了A房间和B房间，只说明可以通过这个通道由A房间到达B房间，但并不说明通过它可以由B房间到达A房间。Gardon...原创 2018-10-16 01:19:12 · 225 阅读 · 0 评论 -
hdu 2767 Proving Equivalences （tajan）强联通
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=2767 Consider the following exercise, found in a generic linear algebra textbook. Let A be an n × n matrix. Prove that the following statements a...原创 2018-10-16 01:21:10 · 233 阅读 · 0 评论 -
hdu 1827 Summer Holiday （强联通解决传递最小费用问题）
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1827 To see a World in a Grain of Sand And a Heaven in a Wild Flower, Hold Infinity in the palm of your hand And Eternity in an hour. ...原创 2018-10-16 01:23:27 · 309 阅读 · 0 评论 -
hdu 3861 The King’s Problem (强联通+二分匹配) 好题
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=3861 In the Kingdom of Silence, the king has a new problem. There are N cities in the kingdom and there are M directional roads between the cities....原创 2018-10-16 01:25:52 · 282 阅读 · 0 评论 -
poj 3694 Network (tarjan+lca)
题目链接：http://poj.org/problem?id=3694A network administrator manages a large network. The network consists of N computers and M links between pairs of computers. Any pair of computers are connected d...原创 2018-10-17 01:11:36 · 324 阅读 · 0 评论 -
hdu 4635 Strongly connected (Tarjan)
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4635 Problem Description Give a simple directed graph with N nodes and M edges. Please tell me the maximum number of the edges you can add that ...原创 2018-10-24 21:25:56 · 277 阅读 · 0 评论 -
poj 2553 The Bottom of a Graph （Tarjan强联通）
题意：在v可以到达的所有点也都可以到达v,由此就可以知道求解缩点以后出度为0的点中的节点数字即可思路：就是缩点后，输出出度为0的点内的点。#pragma GCC optimize(2)#include<stdio.h>#include<algorithm>#include<iostream>#include<string.h>#...原创 2018-10-30 21:05:26 · 261 阅读 · 0 评论