摘要：9.Palindrome Number Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward. Example 1: In 阅读全文

摘要：7.Reverse Integer Given a 32 bit signed integer, reverse digits of an integer. Example 1: Input: 123 Output: 321 Example 2: Input: 123 Output: 321 Exa 阅读全文

摘要：1.Two Sum 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 wou 阅读全文