C++ program to check given number is Armstrong or not

#include<constream.h>
int arm(int);
void main()
{
 clrscr();
 int n,n1,x;
 cout<<"\n enter n:";
 cin>>n;
 n1=n;
 x=arm(n);
 if(x==n1)
 cout<<"armstrong";
 else
 cout<<"not";
 getch();
}
int arm(int n)
{
 int s=0,r;
 while(n>0)
 {
  r=n%10;
  s=s+r*r*r;
  n=n/10;
 }
 return s;
}

Categories: C++ Programming, CPP