摘要: 题目 Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. Example 1: Input: n = 3 Output: ["((()))"," 阅读全文
posted @ 2022-03-30 17:24 frankming 阅读(18) 评论(0) 推荐(0) 编辑
摘要: 题目 Given a collection of candidate numbers (candidates) and a target number (target), find all unique combinations in candidates where the candidate n 阅读全文
posted @ 2022-03-30 15:14 frankming 阅读(27) 评论(0) 推荐(0) 编辑