04.03.2024.cpp

//User function Template for C++

/*Function to swap array elements
* arr : array input
* n : number of elements in array
*/
class Solution{
  public:
    void swapElements(int arr[], int n){
        
        // Your code here
        for(int  i=0;i+2<n;i++){
            swap(arr[i], arr[i+2]);
        }
        return;
        
    }
};