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排序 一下 ，尽量往后放 nlogn的复杂度In Reply To:谁能讲讲这题怎么贪心吗? 只会用差分约束 (类似1201) Posted by:atlas_of_rruucc at 2004-08-03 00:19:31 > 是不是两次对要求"至少为1"的问题进行贪心? > 用贪心过了的高手能讲讲吗? 先谢过了 Followed by:
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