Find the Armstrong number using C language
If any number is equal to the sum of its own digits raised to the power of the number of digits is called Armstrong Number.armstrong.c
1#include <stdio.h>
2int main() {
3 //Entry Point
4 int number, temp, count = 0, total = 0;
5 printf("Enter the integer number: ");
6 scanf("%d", &number);
7
8 //Find the number of digits
9 temp = number;
10 while(temp > 0) {
11 count = count + 1;
12 temp = temp/10;
13 }
14
15 temp = number;
16 while(temp > 0) {
17 total = total + power(temp%10,count);
18 temp = temp/10;
19 }
20
21 if(number == total) {
22 printf("%d is an Armstrong number.\n", number);
23 }
24 else
25 {
26 printf("%d is not an Armstrong number.\n", number);
27 }
28 return 0;
29}
30
31//User Defined Pow Function
32int power(int base,int exponent) {
33 int sum = 1;
34 while(exponent > 0) {
35 sum = sum * base;
36 exponent = exponent - 1;
37 }
38 return sum;
39}
Output
Enter the integer number:153 153 is an Armstrong number.