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APC-PRAC-019.c

Problem Statement

Write a program to find hcf of two numbers

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 a, b, temp, temp_a, temp_b;
    printf("Enter the a and b : ");
    scanf("%d %d", &a, &b);
    temp_a = a, temp_b = b;
    while (b > 0)
    {
        temp = a;
        a = b;
        b = temp % b;
    }
    printf("\nHCF of %d and %d is : %d\n", temp_a, temp_b, a);
    return 0;
}

Explanation

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Copy the prompt below and paste it into any AI assistant.

    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 (APC-PRAC-019.c):

    #include <stdio.h>

    int main()
    {
        int a, b, temp, temp_a, temp_b;
        printf("Enter the a and b : ");
        scanf("%d %d", &a, &b);
        temp_a = a, temp_b = b;
        while (b > 0)
        {
            temp = a;
            a = b;
            b = temp % b;
        }
        printf("\nHCF of %d and %d is : %d\n", temp_a, temp_b, a);
        return 0;
    }