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Re:正反向各搜一次 取最小值即可In Reply To:正反向各搜一次 取最小值即可 Posted by:20053565 at 2007-03-06 03:30:37 我按照正反各搜一次的做法WA了,我觉得应该是枚举一个开始位置,然后像两边消 Followed by:
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