世界是兔子的

题目The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility)P A H NA P L

题目Reverse digits of an integer.Example1: x = 123, return 321Example2: x = -123, return -321click to show spoilers.Have you thought about this?Here are some good questions to ask before c

题目Rotate an array of n elements to the right by k steps.For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated to[5,6,7,1,2,3,4]. Note:Try to come up as many solutions a

准备找工作ing，题目不是我自己遇到的，都是网上整理来的，所以标注转载。答案可能自己加工过，尽量保证正确全面，欢迎大家阅读后指正指点指教！只涉及C C++两种语言，数据结构和算法另外单开一贴。第一大类：指针和内存空间Q: 指针和引用的区别A: 1）指针指向第二大类：关键词和宏定义第三大类：类、面向对象

题目Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two numbers such that they add up to the target,