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Re:今天G题的数据太水

Posted by dalonghenin at 2008-10-26 21:17:07
In Reply To:今天G题的数据太水 Posted by:swgr at 2008-10-26 16:51:31 
按每个时间段的最早结束时间排序，然后贪心。可以证明这样取是最优的（用反证）
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