Skip to main content

Featured

say hello world with C++ - Solution in Hacker Rank - hackerranksolutions8

  Objective This is a simple challenge to help you practice printing to  stdout . You may also want to complete  Solve Me First  in C++ before attempting this challenge. We’re starting out by printing the most famous computing phrase of all time! In the editor below, use either  printf  or  cout  to print the string  Hello ,World!  to  stdout . The more popular command form is  cout . It has the following basic form: cout<<value_to_print<<value_to_print; Any number of values can be printed using one command as shown. The  printf  command comes from C language. It accepts an optional format specification and a list of variables. Two examples for printing a string are: printf("%s", string);   printf(string); Note that neither method adds a newline. It only prints what you tell it to. Output Format Print   Hello ,World!   to stdout. Sample Output Hello, World! Solution:- //Say Hello, ...
Post a Comment
Read more

Java Substring in java hackerrank solution

 Given a string, S , and two indices, Start and end , print a substring consisting of all characters in the inclusive range from   Start  to end – 1  . You’ll find the String class’ substring method helpful in completing this challenge.

Input Format

The first line contains a single string denoting .
The second line contains two space-separated integers denoting the respective values  Start of  and  end .

Constraints

  • String  consists of English alphabetic letters (i.e.[a – z, A – Z], ) only.

Output Format

Print the substring in the inclusive range from   Start to end – 1.

Sample Input

Helloworld
3 7

Sample Output

lowo

Explanation

In the diagram below, the substring is highlighted in green:

substring.png

Solution:-

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;


public class Solution {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String str = scan.next();
        int start  = scan.nextInt();
        int end    = scan.nextInt();
        scan.close();
        
        System.out.println(str.substring(start, end));
    }
}

Comments

Post a Comment