`luc004.c`¶

Problem Statement

If a five digit number is input through the keyboard, write a program to calculate the sum of it's digit. (Hint : Use the modulus operator %)

Metadata¶

Property	Detail
Author	Amit Dutta (amitdutta4255@gmail.com)
License	MIT
Difficulty	Beginner (index: 1 / 10)

Concepts¶

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Recursion
Iteration

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Source Code¶

#include <stdio.h>
int main()
{
    int inp, result = 0, i, temp;
    printf("Enter a five digit number : ");
    scanf("%d", &inp);
    if (inp < 10000 || inp > 99999)
    {
        printf("\nPlease enter a valid five digit number.");
        return 1;
    }
    temp = inp;
    for (i = 1; i <= 5; i++)
    {
        result = result + (inp % 10);
        inp = inp / 10;
    }
    printf("\nSum of the digit '%d' is : %d", temp, result);
    return 0;
}

Explanation¶

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    You are explaining a C programming code to a beginner.

    STRICT RULES:

    - Only use the given code. Do NOT assume anything not present.

    - Do NOT add extra examples.

    - Keep explanation clear and short.

    - If something is unclear, say "Not clear from code".

    - Follow the exact format below. Do NOT change headings.

    FORMAT:

    [START]

    ## What it does

    (Explain the overall purpose in 1-2 sentences)

    ## Step-by-step

    (Explain how the code works in steps, simple language)

    ## Key Concepts

    (List concepts like loop, condition, function, etc.)

    ## Notes

    (Mention any limitations, errors, or assumptions)

    [END]

    CODE (luc004.c):

    #include <stdio.h>
    int main()
    {
        int inp, result = 0, i, temp;
        printf("Enter a five digit number : ");
        scanf("%d", &inp);
        if (inp < 10000 || inp > 99999)
        {
            printf("\nPlease enter a valid five digit number.");
            return 1;
        }
        temp = inp;
        for (i = 1; i <= 5; i++)
        {
            result = result + (inp % 10);
            inp = inp / 10;
        }
        printf("\nSum of the digit '%d' is : %d", temp, result);
        return 0;
    }

luc004.c¶