LeetCode#2 - Add Two Numbers
You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nod
LeetCode#500 - Keyboard row
Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below.
- 链接: [https://leetcode.com/problems/two-sum/]
> Given an array of integers, find two numbers such that they add up to a specific target number.
> The function twoSum should return indices
- 链接: https://leetcode.com/problems/hamming-distance/
>The Hamming distance between two integers is the number of positions at which the corresponding bits are different.
Given two integers x a