Swap First and Last
Easy · Arrays
Write a function swapFirstLast that returns a new array where the first and last elements have swapped places.
Arrays with fewer than 2 elements are returned as a copy without changes.
Next: Remove Duplicates
Easy · Arrays
Write a function swapFirstLast that returns a new array where the first and last elements have swapped places.
Arrays with fewer than 2 elements are returned as a copy without changes.
Next: Remove Duplicates