摘要: For a given sequence A={a0,a1,...an−1}A={a0,a1,...an−1}, the number of pairs (i,j)(i,j) where ai>ajai>aj and i<ji<j, is called the number of inversion 阅读全文
posted @ 2019-05-08 17:47 hh13579 阅读(387) 评论(0) 推荐(0)