HDU 1379 DNA sorting(求逆序数)
摘要：
DNA SortingProblem DescriptionOne measure of ``unsortedness'' in a sequence is the number of pairs of entries that are out of order wit... 阅读全文
posted @ 2015-07-26 15:37 焰 阅读(251) 评论(0) 推荐(0) 编辑