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题目有些不明白，是不是既要the minimal length 也是 the minimal weight， 如果已经满足 minimal length, 那么就一定不会出现 unbound 了， 是么？In Reply To:why floyd-warshall? try bellman-ford + floodfill... Posted by:frkstyc at 2005-10-27 11:46:38 Followed by:
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