摘要： Fizz Buzz Write a program that outputs the string representation of numbers from 1 to n. But for multiples of three it should output “Fizz” instead of 阅读全文

摘要： Add Binary Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Return "100". 求两个二进制数的和 java代码: 阅读全文

摘要： String 字符串常量StringBuffer 字符串变量（线程安全）StringBuilder 字符串变量（非线程安全） 简要的说， String 类型和 StringBuffer 类型的主要性能区别其实在于 String 是不可变的对象, 因此在每次对 String 类型进行改变的时候其实都等 阅读全文

摘要： Implement Queue using Stacks Implement the following operations of a queue using stacks. push(x) -- Push element x to the back of queue. pop() -- Remo 阅读全文

摘要： Assign Cookies Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most one cookie. Each 阅读全文

摘要： Construct the Rectangle For a web developer, it is very important to know how to design a web page's size. So, given a specific rectangular web page’s 阅读全文

摘要： Palindrome Number Determine whether an integer is a palindrome. Do this without extra space. 阅读全文

摘要： Tenth Line shell编程 从file.txt中读数据，echo输出到控制台 while...do...done是bash中的语法结构 阅读全文

摘要： 中文屋子与图灵测试谁对？ 图灵测试（The Turing test）所描述的是这样一个实验，有两间屋子，一间屋子里面是一个真实的人类，另一间屋子里面是人类所发明的机器人，屋子里面的人或者机器与屋子外的人只能通过发文字信息进行交流，如果有大多数屋子外的人分不清楚哪一间屋子里面是人，哪一间屋子里面是机器 阅读全文

摘要： Best Time to Buy and Sell Stock II Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find 阅读全文