摘要: PermutationsGiven 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]... 阅读全文
posted @ 2015-11-22 22:08 `Liok 阅读(584) 评论(0) 推荐(0) 编辑