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C Program to Check Armstrong Number?
A number is called an Armstrong number if the sum of cubes of digits of the number is equal to the number itself. It is a mathematical concept usually used in programming to build basic logic of the programmer
Input:370 Output:370 is an Armstrong Number
Explanation
370 = 3*3*3 + 7*7*7 + 0*0*0 = 27 + 343 + 0 = 370
Example
include <iostream>
using namespace std;
int main() {
int n, num, rem, sum = 0;
cin >> n;
num = n;
while(num != 0) {
digit = num % 10;
sum += digit * digit * digit;
num /= 10;
}
if(sum == n)
printf("%d is an Armstrong number.", n );
else
printf("%d is not an Armstrong number.",n);
return 0;
}
Updated on: 19-Aug-2019
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