这里记录一下自己刷的LeetCode题目。
有些博客用英文阐述自己的思路和收获，相当于练习一下英文的表达能力。
比较好的题目有加粗。
3. Longest Substring Without Repeating Characters
5. Longest Palindromic Substring
8. String to Integer (atoi) 溢出的处理
151. Reverse Words in a String
157. Read N Characters Given Read4
158. Read N Characters Given Read4 II - Call multiple times
159. Longest Substring with At Most Two Distinct Characters
167. Two Sum II - Input array is sorted
170. Two Sum III – Data structure design