`P041.c`¶

Problem Statement

Write a program to enter two numbers and check they are co-prime or not. co-prime when HCF = 1

Metadata¶

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

Concepts¶

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Recursion
Iteration

Actions¶

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Source Code¶

#include <stdio.h>
int main()
{
    int a, b, temp, temp_a, temp_b;
    printf("Enter two number : ");
    scanf("%d %d", &a, &b);
    temp_a = a;
    temp_b = b;
    while (b > 0)
    {
        temp = a;
        a = b;
        b = temp % b;
    }
    if (a == 1)
    {
        printf("\n(%d, %d) is co-prime.", temp_a, temp_b);
    }
    else
    {
        printf("\n(%d, %d) is not co-prime.", temp_a, temp_b);
    }
    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 (P041.c):

    #include <stdio.h>
    int main()
    {
        int a, b, temp, temp_a, temp_b;
        printf("Enter two number : ");
        scanf("%d %d", &a, &b);
        temp_a = a;
        temp_b = b;
        while (b > 0)
        {
            temp = a;
            a = b;
            b = temp % b;
        }
        if (a == 1)
        {
            printf("\n(%d, %d) is co-prime.", temp_a, temp_b);
        }
        else
        {
            printf("\n(%d, %d) is not co-prime.", temp_a, temp_b);
        }
        return 0;
    }

P041.c¶