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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

Posted by xxiioo3 at 2011-07-04 11:53:50 on Problem 1160
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。。。

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