Solution: Subsets II
Explore how to generate all unique subsets from an integer array that includes duplicates by using backtracking. Understand how sorting the array and skipping duplicate elements at the same recursion depth helps avoid repeated subsets. Learn the implementation logic, time complexity, and space complexity of the approach for coding interviews.
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Statement
Given an integer array nums, that can contain duplicate elements, return all possible subsets while ensuring that each subset is unique. The output must include unique subsets, and you may return them in any order.
Constraints:
nums.length...