题目: Complete the solution so that it returns true if the first argument(string) passed in ends with the 2nd argument (also a string). Examples: solution('abc', 'bc') # returns true solution('abc', 'd') # returns false 解题办法: def solution(string, endin…

java string,需要进行首字母大写改写,网上大家的思路基本一致,就是将首字母截取,转化成大写然后再串上后面的,类似如下代码 //首字母大写     public static String captureName(String name) {         name = name.substring(0, 1).toUpperCase() + name.substring(1);        return  name;           } 将字符串name 转化为首字母大写.但是…

原题: Your job is to write a function which increments a string, to create a new string. If the string already ends with a number, the number should be incremented by 1. If the string does not end with a number. the number 1 should be appended to the n…

题目: You are given an input string. For each symbol in the string if it's the first character occurence, replace it with a '1', else replace it with the amount of times you've already seen it... But will your code be performant enough? Examples: input…

题目: Your task is to add up letters to one letter. The function will be given a variable amount of arguments, each one being a letter to add. Notes: Letters will always be lowercase. Letters can overflow (see second to last example of the description)…

using System; using System.Text.RegularExpressions; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { string oldStr = Console.ReadLine(); string pattern = @"\Ba\S*c\B"; // \B表示不是字边界的位置,这个串表示以a开头以c结尾的任意字符串.如hmabbcc…

题目描述: 写一个函数,实现输入一个字符串,然后把其中的元音字母倒叙 注意 元音字母包含大小写,元音字母有五个a,e,i,o,u 原文描述: Write a function that takes a string as input and reverse only the vowels of a string. Example 1: Given s = "hello", return "holle". Example 2: Given s = "leet…

［抄题］: S and T are strings composed of lowercase letters. In S, no letter occurs more than once. S was sorted in some custom order previously. We want to permute the characters of T so that they match the order that S was sorted. More specifically, if…

转载https://blog.csdn.net/qq_31930499/article/details/80374310 之前在某篇文章中看到,C语言字符串是以’\0’结尾的,但是C++string类型的字符串并不是以’\0’结尾.话不多说,直接放代码(Cygwin64环境g++编译器): string b("abc"); cout << b.capacity() << endl; cout << b.size() << endl; if…

题目: When you sign up for an account somewhere, some websites do not actually store your password in their databases. Instead, they will transform your password into something else using a cryptographic hashing algorithm. After the password is transfo…