#include <iostream>
using namespace std;
 
void reverseArray(int arr[], int start, int end){
    // Base case
    if(start >= end)
        return;
 
    // Swap
    int temp = arr[start];
    arr[start] = arr[end];
    arr[end] = temp;
 
    // Recursive call
    reverseArray(arr, start + 1, end - 1);
}
 
int main()
{
    int arr[] = {1,2,3,4,5};
    int n = 5;
 
    reverseArray(arr,0,n-1);
 
    for(int i=0;i<n;i++)
        cout<<arr[i]<<" ";
 
    return 0;
}

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