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Re:一直放在左上, 能过么? 我当初是 wa 的, 应该是最上边, 然后左右都可以, 然后剪枝一下

Posted by devilphoenix at 2006-06-14 23:21:01 on Problem 1020
In Reply To:一直放在左上, 能过么? 我当初是 wa 的, 应该是最上边, 然后左右都可以, 然后剪枝一下 Posted by:4Meal at 2006-06-14 19:42:11 
这种算法能证明吗？

我觉得贪心大概能过，但是不知道什么原理……
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