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Re:先算个点之间所需的时间 (如果不是相邻车站,就算行走的时间) 然后 Floyd-Warshall, 不对吗???

Posted by PI at 2005-07-22 21:33:02 on Problem 2502
In Reply To:先算个点之间所需的时间 (如果不是相邻车站,就算行走的时间) 然后 Floyd-Warshall, 不对吗??? Posted by:PI at 2005-07-22 21:20:06 
一直WA..... 如果先把车站之间的距离除4, 然后用最短路程除行走速度, 就AC...  why??
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