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Re:一个剪枝。。。。In Reply To:一个剪枝。。。。 Posted by:soonyu at 2009-05-28 18:35:44 > 1 字符串长度是否符合 > 2 判断s3的最后一位 如果和s1s2均不等就no 这个剪枝让TLE的程序变成0ms.... 谢过！dfs学习中 Followed by:
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