Write a C Program to Check Whether Given Number Is Armstrong Number or Not

In this article, we will write a c program to check whether a given number is an Armstrong number or not.

Write a C Program to Check Whether Given Number Is Armstrong Number or Not

#include <stdio.h> int main() {	int n, n1, rem, num = 0;	printf("Enter a positive integer: ");	scanf("%d", &n);	n1 = n;	while (n1 != 0)	{	rem = n1 % 10;	num += rem *rem * rem;	n1 /= 10;	}	if (num == n)	printf("%d is an Armstrong number.", n);	else	printf("%d is not an Armstrong number.", n); }

Input:

Enter a positive integer: 371

Output:

371 is an Armstrong number.

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