摘要: Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. Example: Input: n = 4, k = 2 Output: [ [2,4], [3,4], [2,3], 阅读全文
posted @ 2019-10-14 05:10 xuan_abc 阅读(144) 评论(0) 推荐(0)
摘要: Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine if s can be segmented into a space-separated sequ 阅读全文
posted @ 2019-10-14 03:16 xuan_abc 阅读(140) 评论(0) 推荐(0)