c hello world

#include <stdio.h>

int main() {
    printf("Hello, World!\n");
    return 0;
}

1. #include <stdio.h>: This line includes the standard input-output header file, which is necessary for using the printf function.

2. int main() {: This line marks the beginning of the main function, the entry point of every C program. The int before main indicates that the function returns an integer.

3. printf("Hello, World!\n");: This line uses the printf function to print the string "Hello, World!" to the console. The \n is an escape sequence for a newline character, which moves the cursor to the next line.

4. return 0;: This line indicates that the program has executed successfully, and the main function returns an integer value of 0.

5. }: This closing brace marks the end of the main function.