hdu4280（最大流）

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hdu4280 最大流DINIC

题意: x最小的到x最大的点同一时间的最大运输量. 思路: 裸的最大流,不解释,注意一点,记得加上防爆栈. #pragma comment(linker, "/STACK:1024000000,1024000000") #include<stdio.h> #include<string.h> #include<queue> #define N 300000 using namespace std; struct star {…

HDU4280 Island Transport —— 最大流 ISAP算法

题目链接:https://vjudge.net/problem/HDU-4280 Island Transport Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 9945 Accepted Submission(s): 3214 Problem Description In the vast waters far far aw…

HDU4280：Island Transport（最大流）

Island Transport Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 13187 Accepted Submission(s): 4156 题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4280 Description: In the vast waters far f…

传送门:Island Transport 题意:有N个岛屿 M条无向路每个路有一最大允许的客流量,求从最西的那个岛屿最多能运用多少乘客到最东的那个岛屿. 分析:无向图正反都加弧,权值一样,这题点多,使用SAP优势大,点少时dinic好些. dinic:8314ms #pragma comment(linker,"/STACK:1024000000,1024000000") #include <cstdio> #include <cstring> #includ…

hdu4280 Island Transport 最大流

In the vast waters far far away, there are many islands. People are living on the islands, and all the transport among the islands relies on the ships. You have a transportation company there. Some routes are opened for passengers. Each route is a st…

HDU4280(KB11-G 最大流)

Island Transport Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 9151 Accepted Submission(s): 2958 Problem Description In the vast waters far far away, there are many islands. People are li…

HDU 4280 Island Transport（网络流，最大流）

HDU 4280 Island Transport(网络流,最大流) Description In the vast waters far far away, there are many islands. People are living on the islands, and all the transport among the islands relies on the ships. You have a transportation company there. Some route…