题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5452 题意:给你一个图和它的生成树,要你在树上删一条边,问你最少删多少条边使得图不联通(开始时图一定联通) 解: 对每一条非树边对它两点之间的树上链的边+1,答案就是树上边的最小边权+1.处理上开始用了树状数组=TLE,其实由于只查询一次,用数组维护一下就好 /* * Problem: * Author: SHJWUDP * Created Time: 2015/9/23 星期三 19:32:28…

Minimum Cut Time Limit: 10000MS   Memory Limit: 65536K Total Submissions: 9302   Accepted: 3902 Case Time Limit: 5000MS Description Given an undirected graph, in which two vertices can be connected by multiple edges, what is the size of the minimum c…

Minimum Cut Time Limit: 10000MS   Memory Limit: 65536K Total Submissions: 9319   Accepted: 3910 Case Time Limit: 5000MS Description Given an undirected graph, in which two vertices can be connected by multiple edges, what is the size of the minimum c…

Minimum Cut Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5452 Description Given a simple unweighted graph G (an undirected graph containing no loops nor multiple edges) with n nodes and m edges. Let T be a spa…

Description Given an undirected graph, in which two vertices can be connected by multiple edges, what is the size of the minimum cut of the graph? i.e. how many edges must be removed at least to disconnect the graph into two subgraphs? Input Input co…

Smallest Minimum Cut Time Limit: 2000/2000 MS (Java/Others)    Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 1181    Accepted Submission(s): 473 Problem Description Consider a network G=(V,E) with source s and sink t. An s-t cut is a…

Problem Description Consider a network G=(V,E) with source s and sink t. An s-t cut is a partition of nodes set V into two parts such that s and t belong to different parts. The cut set is the subset of E with all edges connecting nodes in different…

Smallest Minimum Cut Time Limit: 2000/2000 MS (Java/Others)    Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 2281    Accepted Submission(s): 913 Problem Description Consider a network G=(V,E) with source s and sink t. An s-t cut is a…

Consider a network G=(V,E) G=(V,E) with source s s and sink t t . An s-t cut is a partition of nodes set V V into two parts such that s s and t t belong to different parts. The cut set is the subset of E E with all edges connecting nodes in different…

hdu 6214 Smallest Minimum Cut[最大流] 题意:求最小割中最少的边数. 题解:对边权乘个比边大点的数比如300,再加1 ,最后,最大流对300取余就是边数啦.. #include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<cmath> #include<vector> #include<queue…