最大流问题.ISAP算法.注意可能会有重边,不过我用的数据结构支持重边.距离d我直接初始化为0,也可以用BFS逆向找一次. ----------------------------------------------------------------------- #include<cstdio> #include<iostream> #include<algorithm> #include<cstring> #include<vector>…

最大流的模板题 /* ID: yingzho1 LANG: C++ TASK: ditch */ #include <iostream> #include <fstream> #include <string> #include <map> #include <vector> #include <set> #include <algorithm> #include <stdio.h> #include <…

欢迎访问~原文出处——博客园-zhouzhendong 去博客园看该题解 传送门 - POJ 传送门 - CodeVS 题意概括 给出一个图,告诉你边和容量,起点是1,汇点是n,让你求最大流. 题解 最大流模板题. SAP跑一发! 学习网络流 代码 #include <cstring> #include <cstdio> #include <algorithm> #include <cstdlib> #include <cmath> using…

Drainage DitchesHal Burch Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by water for awhile and takes quite a long time to regrow. Thus, Farmer John has built a se…

Drainage Ditches Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 67823   Accepted: 26209 Description Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by…

Drainage Ditches Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 68414   Accepted: 26487 Description Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by…

Drainage Ditches Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 59210   Accepted: 22737 Description Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by…

Drainage Ditches Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6228    Accepted Submission(s): 2942 Problem DescriptionEvery time it rains on Farmer John's fields, a pond forms over Bessie's f…

Drainage Ditches Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9580    Accepted Submission(s): 4541 Problem Description Every time it rains on Farmer John's fields, a pond forms over Bessie's…

Drainage DitchesHal Burch Time Limit 1000 ms Memory Limit 65536 kb description Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by water for awhile and takes quite a…