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assignment-s-06.c

Problem Statement

Write a program using a function to compute and display all factors of a given number.

Metadata

Property Detail
Author Amit Dutta (amitdutta4255@gmail.com)
License MIT
Difficulty Beginner (index: 2 / 10)

Concepts

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  • Recursion
  • Sorting (possible)
  • Iteration

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Source Code

#include <stdio.h>
#include <stdlib.h>

void display_factors(int);

int main()
{
    int num, i;
    printf("Please enter the number to get the factors from it : ");
    scanf("%d", &num);
    display_factors(num);
    return 0;
}

void display_factors(int num) {
    int temp = abs(num);
    int i;

    if (temp == 0)
    {
        printf("\n0 has infinitely many factors (all integers).");
        exit(1);
    }

    printf("\nThe factors of ' %d ' is :- ", num);
    printf("\nPositive : ");
    for (i = 1; i <= temp; i++)
        if (temp % i == 0)
            printf("  %d", i);
    printf("\nNegative : ");
    for (i = 1; i <= temp; i++)
        if (temp % i == 0)
            printf("  %d", -i);
}

Explanation

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    You are explaining a C programming code to a beginner.

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    - 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".

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    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 (assignment-s-06.c):

    #include <stdio.h>
    #include <stdlib.h>

    void display_factors(int);

    int main()
    {
        int num, i;
        printf("Please enter the number to get the factors from it : ");
        scanf("%d", &num);
        display_factors(num);
        return 0;
    }

    void display_factors(int num) {
        int temp = abs(num);
        int i;

        if (temp == 0)
        {
            printf("\n0 has infinitely many factors (all integers).");
            exit(1);
        }

        printf("\nThe factors of ' %d ' is :- ", num);
        printf("\nPositive : ");
        for (i = 1; i <= temp; i++)
            if (temp % i == 0)
                printf("  %d", i);
        printf("\nNegative : ");
        for (i = 1; i <= temp; i++)
            if (temp % i == 0)
                printf("  %d", -i);
    }