sichenzhao

摘要： 1、 字符串的表示形式在C语言中，我们可以用两种方式访问字符串（1） 用字符数组存放一个字符串，然后输出该字符串。main(){ char string[]="I love China!"; printf("%s\n", string);}（2）... 阅读全文

摘要： Title:Write a function to find the longest common prefix string amongst an array of strings.这道题目不难，唯一要注意的是二重指针的使用，因为给了一个字符串数组，也就是一个二维数... 阅读全文

摘要： Title:Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999.这道题和上道题相反，将罗马数字转换成数字。两... 阅读全文

摘要： Title:Given an integer, convert it to a roman numeral.Input is guaranteed to be within the range from 1 to 3999.这道题目就是将数字转换成罗马数字。比较简单。... 阅读全文

摘要： Title:Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn s... 阅读全文

摘要： Title:Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negative integ... 阅读全文

摘要： Implement atoi to convert a string to an integer.Hint: Carefully consider all possible input cases. If you want a challenge, please do... 阅读全文

摘要： Reverse digits of an integer.Example1: x = 123, return 321Example2: x = -123, return -321click to show spoilers.Note:The input is assu... 阅读全文

摘要： Title:The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pa... 阅读全文

摘要： Title:Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000.Example:Input... 阅读全文