“Hello World!” in C

Objective

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.

Task

This challenge requires you to print  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.

Example

The required output is:

Hello, World!  
Life is beautiful

Function Descriptio

Complete the main() function below.

The main() function has the following input:

• string s: a string

Prints

• *two strings: * “Hello, World!” on one line and the input string on the next line.

Input Format

There is one line of text, .

Sample Input 0

Welcome to C programming.

Sample Output 0

Hello, World!
Welcome to C programming.

Solution Implementation

#include <stdio.h>
int main() 
{
    
    char s[100];
    scanf("%[^\n]%*c", &s);
    // [^\n] - everything upto \n, but not \n
    // %c - scan \n
    // * - discard what is scanned

    /* Enter your code here. Read input from STDIN. Print output to STDOUT*/
    printf("Hello, World!\n");
    printf("%s", s);
    return 0;
}