Permutations
摘要：
Given a collection of numbers, return all possible permutations.For example,[1,2,3]have the following permutations:[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,... 阅读全文
posted @ 2015-06-18 07:54 shini 阅读(118) 评论(0) 推荐(0) 编辑
