C++ Program to check number is Armstrong or not
In this program, You will learn how to check number is Armstrong or not in C++.
Some list of Armstrong number is : 153, 370, 371
Example: How to check number is Armstrong or not in C++.
#include<iostream>
using namespace std;
int main() {
int n, rev = 0, num, r;
cout << "Enter a number:";
cin>>n;
num = n;
while (n > 0) {
r = n % 10;
rev = rev + r * r * r;
n = n / 10;
}
if (rev == num) {
cout << "Number is ArmStrong:" << num;
} else {
cout << "Number is not ArmStrong:" << num;
}
return 0;
}
Output:
Enter a number:153
Number is ArmStrong:153