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Re:1198 着题是搜索过的吗？ 我的程序花了3200MS 。有没有 公式 ，或者用DP 做啊 ？ 搜索怎么样能有效剪枝 ？

Posted by alwaysinfaith at 2012-01-29 17:42:07 on Problem 1198
In Reply To:1198 着题是搜索过的吗？ 我的程序花了3200MS 。有没有 公式 ，或者用DP 做啊 ？ 搜索怎么样能有效剪枝 ？ Posted by:whitesea at 2006-10-07 08:38:53 
没剪枝吧，。我都用set hash了，，，才200+
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