Explanation of the Code

1. #include <stdio.h>

   • This line includes the Standard Input Output library which is necessary for using input and output functions like printf and scanf.

2. int main()

   • This is the main function where the execution of the program begins. It returns an integer value, which is 0 in this case to indicate successful completion.

3. Variable Declarations:

   • int num1, num2, num3, sum;

     • Here, we declare four integer variables: num1, num2, num3 to store the numbers entered by the user, and sum to store the result of the addition.

4. Prompt and Input for First Number:

   • printf("Enter the first number: ");
     • This line prints a message asking the user to enter the first number.
   • scanf("%d", &num1);
     • scanf reads an integer from the user and stores it in the variable num1.

5. Prompt and Input for Second Number:

   • printf("Enter the second number: ");
     • This line prints a message asking the user to enter the second number.
   • scanf("%d", &num2);
     • scanf reads an integer from the user and stores it in the variable num2.

6. Prompt and Input for Third Number:

   • printf("Enter the third number: ");
     • This line prints a message asking the user to enter the third number.
   • scanf("%d", &num3);
     • scanf reads an integer from the user and stores it in the variable num3.

7. Calculate the Sum:

   • sum = num1 + num2 + num3;
     • This line calculates the sum of num1, num2, and num3 and stores the result in the variable sum.

8. Display the Result:

   • printf("The sum of %d, %d, and %d is %d\n", num1, num2, num3, sum);
     • This line prints the result to the screen, displaying the numbers and their sum.

9. Return Statement:

   • return 0;
     • This returns 0 from the main function, which indicates that the program has executed successfully.

How to Implement and Run This Code

1. Using an IDE or Compiler:

   • Open your preferred C IDE (like Code::Blocks, Dev-C++, or Visual Studio) or a C compiler (like GCC).

   • Create a new project or file and paste the code into the editor.

   • Save the file with a .c extension, for example, add_numbers.c.

   • Compile and run the program using the build/run commands of your IDE or compiler.

2. Using Command Line:

   • Save the code in a file named add_numbers.c.

   • Open a terminal or command prompt.

   • Navigate to the directory where the file is saved.

   • Compile the code using a command like gcc add_numbers.c -o add_numbers (if using GCC).

   • Run the compiled program using ./add_numbers (on Unix-like systems) or add_numbers.exe (on Windows).

3. C code to Add Three Numbers 

4. Program Code 

5. You Can You This Code On Any Projects and Works 

#include <stdio.h>

int main() {
    // Declare three variables to store the numbers and one variable to store the sum
    int num1, num2, num3, sum;

    // Prompt the user to enter the first number
    printf("Enter the first number: ");
    // Read the first number from the user
    scanf("%d", &num1);

    // Prompt the user to enter the second number
    printf("Enter the second number: ");
    // Read the second number from the user
    scanf("%d", &num2);

    // Prompt the user to enter the third number
    printf("Enter the third number: ");
    // Read the third number from the user
    scanf("%d", &num3);

    // Calculate the sum of the three numbers
    sum = num1 + num2 + num3;

    // Display the result
    printf("The sum of %d, %d, and %d is %d\n", num1, num2, num3, sum);

    // Return 0 to indicate successful completion of the program
    return 0;
}

Output

You Can See The Output 

Enter the first number: 5
Enter the second number: 10
Enter the third number: 15
The sum of 5, 10, and 15 is 30

Thanks For Visiting Our Website

COMPILE CODE: CODE COMPILER