2015年5月27日
46&&47.Permutations I&&II && 40 .Combination Sum II(回溯)
摘要： Permutations I Given a collection of distinct numbers, return all possible permutations. For example, [1,2,3] have the following permutations: [1,2,3] 阅读全文
posted @ 2015-05-27 16:19 linqiaozhou 阅读(288) 评论(0) 推荐(0)