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Re:虚拟一个村庄在无穷远处，dp[n+1][k+1]就是答案In Reply To:虚拟一个村庄在无穷远处，dp[n+1][k+1]就是答案 Posted by:Ly86 at 2011-02-12 12:07:31 > dp[i][j] 表示前i个村庄建j个邮局，并且第i个村庄必须建一个邮局。 我也是这个思路 但是wa了。。。 请教。。。 Followed by: Post your reply here: |
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