摘要: Given a collection of distinct integers, return all possible permutations. Example: Input: [1,2,3] Output: [ [1,2,3], [1,3,2], [2,1,3], [2,3,1], [3,1, 阅读全文
posted @ 2020-10-24 11:20 苗妙苗 阅读(115) 评论(0) 推荐(0)