370 = 3*3*3 + 7*7*7 + 0*0*0
= 27 + 343 + 0
= 370​
#include <iostream>
using namespace std;
int main() {
int num, sum = 0, digit;
cout<<"Enter a positive integer: ";
cin>>num;
for(int temp=num; temp!=0;){
digit = temp % 10;
sum = sum +(digit * digit * digit);
temp = temp/10;
}
if(sum == num)
cout<<num<<" is an Armstrong number.";
else
cout<<num<<" is not an Armstrong number.";
return 0;
}
Enter a positive integer: 370
370 is an Armstrong number.
for(int temp=num; temp!=0;){
digit = temp % 10;
sum = sum +(digit * digit * digit);
temp = temp/10;
}​
int temp = num;
while(temp != 0)
{
digit = temp % 10;
sum = sum +(digit * digit * digit);
temp = temp/10;
}​