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Re:有些傻X分类居然把这题算入搜索和回溯的一类In Reply To:这题要谨防负数的出现。要么把数组开到负的，要么加一个很大的k的倍数再mod。 Posted by:lydliyudong at 2011-06-14 13:06:25 > RT 不需要吧 取模后在加K肯定是正数的。 Followed by:
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