Given an integer array nums of unique elements, return all possible subsets (the power set). The solution set must not contain duplicate subsets. Return the solution in any order.
- An array of distinct integers
nums.
- 1 <= nums.length <= 10
- -10 <= nums[i] <= 10
Input: nums = [1,2,3]
Output: [[],[1],[2],[1,2],[3],[1,3],[2,3],[1,2,3]]