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加了个排序终于挤进去了，718ms，我用n^3的烂DP，请问有没有好算法In Reply To:这题不就是dij。。的最长路DP么,DP过程中把超长的路剪掉，也就是DP+剪枝，对么 Posted by:sunmoonstar_love at 2005-07-14 23:34:53 Followed by:
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