摘要： 原题链接在这里：https://leetcode.com/problems/stream-of-characters/ 题目： Implement the StreamChecker class as follows: StreamChecker(words): Constructor, init 阅读全文

摘要： 原题链接在这里：https://leetcode.com/problems/leaf-similar-trees/ 题目： Consider all the leaves of a binary tree. From left to right order, the values of those  阅读全文

摘要： 原题链接在这里：https://leetcode.com/problems/range-module/ 题目： A Range Module is a module that tracks ranges of numbers. Your task is to design and implement 阅读全文