Check Armstrong number in C using function
|
1 |
#include <stdio.h>int check_armstrong(long long);long long power(int, int);int main () {long long n;printf("Input a number\n");scanf("%lld", &n);if (check_armstrong(n) == 1)printf("%lld is an armstrong number.\n", n);elseprintf("%lld is not an armstrong number.\n", n);return 0;}int check_armstrong(long long n) {long long sum = 0, temp;int remainder, digits = 0;temp = n;while (temp != 0) {digits++;temp = temp/10;}temp = n;while (temp != 0) {remainder = temp%10;sum = sum + power(remainder, digits);temp = temp/10;}if (n == sum)return 1;elsereturn 0;}long long power(int n, int r) {int c;long long p = 1;for (c = 1; c <= r; c++)p = p*n;return p;}</stdio.h> |
