HDU 1394 Minimum Inversion Number
摘要：
Minimum Inversion NumberProblem DescriptionThe inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisf... 阅读全文
posted @ 2015-08-09 16:44 焰 阅读(149) 评论(0) 推荐(0) 编辑