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通过割点和桥...可以直接确定出路径...O(MN)的...不过复杂了些...In Reply To:内详 Posted by:LegendaryDan at 2006-10-27 20:45:47 > 两次BFS的意思是说，要作两重BFS。 > 第一重，BFS箱子能不能到达一个位置，里面的第二重，BFS人能不能把箱子推到上一重箱子锁到达的位置。 > > 你说的情况是一定可处理的：） Followed by: Post your reply here: |
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