159. Subsets II

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Input: nums = [1,2,2]

Output: [[],[1],[1,2],[1,2,2],[2],[2,2]]

Explanation: All possible subsets of [1,2,2] without duplicates are generated.

Input: nums = [0]

Output: [[],[0]]

Explanation: All possible subsets of [0] are generated.

Time Complexity

N/A

Space Complexity

N/A