# Leetcode Rotate-Array #### 2022-07-10 08:54 > ##### Algorithms: > #algorithm #array_in_place_operation > ##### Data structures: > #DS #array > ##### Difficulty: > #coding_problem #difficulty-medium > ##### Additional tags: > #leetcode > ##### Revisions: > N/A ##### Related topics: ```expander tag:#array_in_place_operation ``` ##### Links: - [Link to problem](https://leetcode.com/problems/rotate-array/) ___ ### Problem Given an array, rotate the array to the right by `k` steps, where `k` is non-negative. #### Examples **Example 1:** **Input:** nums = [1,2,3,4,5,6,7], k = 3 **Output:** [5,6,7,1,2,3,4] **Explanation:** rotate 1 steps to the right: [7,1,2,3,4,5,6] rotate 2 steps to the right: [6,7,1,2,3,4,5] rotate 3 steps to the right: [5,6,7,1,2,3,4] **Example 2:** **Input:** nums = [-1,-100,3,99], k = 2 **Output:** [3,99,-1,-100] **Explanation:** rotate 1 steps to the right: [99,-1,-100,3] rotate 2 steps to the right: [3,99,-1,-100] #### Constraints - `1 <= nums.length <= 105` - `-231 <= nums[i] <= 231 - 1` - `0 <= k <= 105` ### Thoughts #### Method 1: Array In-place operation #### Method 2: Copy #### Method 3: CPP's STL ### Solution