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D 火力防御网In Reply To:关于这次比赛: Posted by:atlas_of_rruucc at 2004-09-12 22:34:05 有点难 比较好的一个DP问题 复杂度本来是O(N*N*M) 但是可以用二分降到O(N*M*LogN) 可能O(N*N*M)写的好也能过 Followed by: Post your reply here: |
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