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Armstrong and perfect number check in c programming

Suman Paudel answered on December 7, 2023 Popularity 1/10 Helpfulness 1/10

answer Armstrong and perfect number check in c programming

Armstrong and perfect number check in c programming

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#include <stdio.h>
#include <math.h>

// Function to check whether a number is an Armstrong number
int isArmstrong(int num) {
    int originalNum, remainder, result = 0, n = 0;

    originalNum = num;

    // Count the number of digits
    while (originalNum != 0) {
        originalNum /= 10;
        ++n;
    }

    originalNum = num;

    // Calculate the result
    while (originalNum != 0) {
        remainder = originalNum % 10;
        result += pow(remainder, n);
        originalNum /= 10;
    }

    // Check if the number is Armstrong
    if (result == num)
        return 1;  // True (Armstrong)
    else
        return 0;  // False (Not Armstrong)
}

// Function to check whether a number is a Perfect number
int isPerfect(int num) {
    int i, sum = 0;

    for (i = 1; i < num; ++i) {
        if (num % i == 0)
            sum += i;
    }

    // Check if the number is Perfect
    if (sum == num)
        return 1;  // True (Perfect)
    else
        return 0;  // False (Not Perfect)
}

int main() {
    int num;

    // Input
    printf("Enter a number: ");
    scanf("%d", &num);

    // Check and display if the number is Armstrong or Perfect
    if (isArmstrong(num))
        printf("%d is an Armstrong number.\n", num);
    else
        printf("%d is not an Armstrong number.\n", num);

    if (isPerfect(num))
        printf("%d is a Perfect number.\n", num);
    else
        printf("%d is not a Perfect number.\n", num);

    return 0;
}

Popularity 1/10 Helpfulness 1/10 Language c

Source: chat.openai.com

Tags: c perfect

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Contributed on Dec 07 2023

Suman Paudel

0 Answers Avg Quality 2/10

Armstrong and perfect number check in c programming

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