Answer: Elastic SWE Interview Question 2024 July | Arrays | on-campus

Solution: Three-Step Reverse Trick Approach Rotating an array right by k is equivalent to taking the last k elements and placing them at the front. The elegant three-reverse trick achieves this in-place: Step 1 — reverse the entire array. Step 2 — reverse the first k elements (they are now in the correct relative order at the front). Step 3 — reverse the remaining n-k elements (they are now in the correct relative order at the back). Always reduce k ...