Hello World! in C HackerRank Solution 

Problem Statement

In this challenge, we will learn some basic concepts of C that will get you started with the language. You will need to use the same syntax to read input and write output in many C challenges. As you work through these problems, review the code stubs to learn about reading from stdin and writing to stdout.

Function Description

Complete the main() function below.

The main() function has the following input:

  • string s: a string


This challenge requires you to print “Hello, World!” on a single line, and then print the already provided input string to stdout. If you are not familiar with C, you may want to read about the printf() command.

Input Format

  • There is one line of text, s.

Example 1:

Welcome to C programming.


Hello, World!
Welcome to C programming.

“Hello World!” in C HackerRank Solution Code

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main() 
    char s[100];
    scanf("%[^\n]%*c", &s);
    printf("Hello, World!\n");
    return 0;

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