Given an integer array nums, rotate the array to the right by k steps in-place.
Input: nums = [1,2,3,4,5,6,7], k = 3 Output: [5,6,7,1,2,3,4] Input: nums = [-1,-100,3,99], k = 2 Output: [3,99,-1,-100]
Unlock hints progressively — start gentle, go deeper only if needed.
Level 1: Gentle Nudge
A subtle direction
Level 2: Approach
The algorithm to use
Level 3: Detailed
Step-by-step guidance
to save progress and use AI features