HDU 6808 Go Running(利用网络流求二分图的最小顶点覆盖、dinic)
原题地址: http://acm.hdu.edu.cn/showproblem.php?pid=6808 本文主要参考的博客: https://www.cnblogs.com/stelayuri/p/13405914.html Go Running Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others) Total Submission(s): 1358 Accepted Submission(s): 500 Problem Description Zhang3 is the class leader. Recently she's implementing a policy about long-distance running. This forces every student in her class to take a run. There is a main road in the school from west to east, which can be regarded as an infinite axis, and its positive direction is east. Positions on the road are