Check Armstrong no.

// Sum of the cube of all digits of a number is equal to the number , itself. 

//  153 = 1*1*1+5*5*5+3*3*3

#include<iostream.h>

#include<conio.h>

void main()

{

  int a, dig , sum = 0;

cout<<"\n Enter A No.:";

cin>>a;

for(int i = a; i>0 ; i = i/10)

{

dig = i%10;

 sum = sum + dig*dig*dig;

}

if(sum == a)

cout<<"\n The no. is Armstrong No.";

else

cout<<"\n The no. is not a Armstrong No.";

getch();

}