Copy array in revrse order

#include <iostream>
using namespace std;


void printaArray(int arr[], int len){
    for(int i = 0; i < len; i++){
        cout<<arr[i]<<" ";
    }
}
int main(){

    int original_arr[] = {1,2,5,6,8,9};
    int len = sizeof(original_arr) / sizeof(int);

    int copy_arr[len],i;

    for(i=0; i < len; i++){
        copy_arr[i] = original_arr[i];
    }
    cout<<"Print original array"<<endl;
    printaArray(original_arr,len);

    cout<<"print copy array"<<endl;
    printaArray(copy_arr,len);

}