sayDigits

// you have given a numbers , you have to print the digits      
      // i/p : 4578
       // o/p : four five seven eight
       

#include<iostream>
using namespace std;

void sayDigits(int n ,string arr[]){

    // base case

    if(n == 0)
       return;

    // processing

    int digit = n % 10;
    n = n / 10;

    // recursive call   
    sayDigits(n,arr);

    cout << arr[digit] <<" ";
}

int main(){

    string arr[10] = {"zero","one", "two", "three","four", "five", "six", "seven","eight","nine"};

    int n;
    cout << " enter number" <<  endl; 
    cin >> n;

    sayDigits(n,arr);
     
}