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老是超时,给几组测试数据,BT一点的

Posted by springtty at 2005-07-14 01:39:21 on Problem 1751
使用和2421差不多的算法,但是这个程序就没那么幸运,老是超时,我使用数组来保存已有结点和未加入到树中的结点,从空间上多点一点,尽量优化了时间,还是超时,郁闷,请求指点。

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