2020年2月10日
LeetCode 677. Map Sum Pairs 键值映射(C++/Java)
摘要： 题目： Implement a MapSum class with insert, and sum methods. For the method insert, you'll be given a pair of (string, integer). The string represents t 阅读全文
posted @ 2020-02-10 23:11 silentteller 阅读(223) 评论(0) 推荐(0)
LeetCode 680. Valid Palindrome II 验证回文字符串 Ⅱ(C++/Java)
摘要： 题目： Given a non-empty string s, you may delete at most one character. Judge whether you can make it a palindrome. Example 1: Input: "aba" Output: True 阅读全文
posted @ 2020-02-10 22:27 silentteller 阅读(287) 评论(0) 推荐(0)
LeetCode 297. Serialize and Deserialize Binary Tree 二叉树的序列化与反序列化(C++/Java)
摘要： 题目： Serialization is the process of converting a data structure or object into a sequence of bits so that it can be stored in a file or memory buffer, 阅读全文
posted @ 2020-02-10 00:20 silentteller 阅读(266) 评论(0) 推荐(0)