摘要: The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie... 阅读全文
posted @ 2015-03-28 04:09 A_zhu 阅读(263) 评论(0) 推荐(0) 编辑