摘要：题目 The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, cal 阅读全文

摘要：1. Two Sum 题目 Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input 阅读全文

摘要：2.Add Two Numbers 题目 You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each 阅读全文