c++javapython#include <iostream>int main() { std::cout << "Hello World!"; return 0;}package controller;import java.util.Scanner;public class HackerRankPreTest { public static void main(String[] args) { Scanner sc=new Scanner(System.in); System.out.println("================================"); StringBuilder strBuilder=new StringBuilder(); for(int i=0;i<3;i++) { // String s=sc.nextLine(); String s1=sc.next(); int x=sc.nextInt(); //Complete this line //System.out.println(); strBuilder.append(s1); strBuilder.append(" "); strBuilder.append(x); strBuilder.append("\n"); } String toString=strBuilder.toString(); String[] lnStrArr=toString.split("\\n"); System.out.println(formatInput(lnStrArr[0])); System.out.println(formatInput(lnStrArr[1])); System.out.println(formatInput(lnStrArr[2])); System.out.println(formatInput("java 100")); System.out.println(formatInput("cpp 50")); System.out.println(formatInput("python 70")); System.out.println("================================"); } public static String formatInput(String srcStr){ if(srcStr==null){ return null; }else if(srcStr.isEmpty()){ return null; } String trimStr=srcStr.trim(); String[] strArr=trimStr.split("\\s"); String str=strArr[0]; String trimStr1=str.trim(); if(trimStr1.length()>10){ return null; } String strInt=strArr[1]; String trimStrInt=strInt.trim(); int intTemp=Integer.parseInt(trimStrInt); if(intTemp<0 && intTemp>999){ return null; } int trimStr1Len=trimStr1.length(); int loopCount=15-trimStr1Len; StringBuilder stringBuilder=new StringBuilder(); stringBuilder.append(trimStr1); for(int i=0;i<loopCount;i++){ stringBuilder.append(" "); } StringBuilder strBuilder=new StringBuilder(); if(trimStrInt.length()<3){ int loopAppend=3-trimStrInt.length(); for(int i=0;i<loopAppend;i++){ strBuilder.append("0"); } strBuilder.append(trimStrInt); }else { strBuilder.append(trimStrInt); } String toString=strBuilder.toString(); stringBuilder.append(toString); return stringBuilder.toString(); }}print('Hello world!')