78. Subsets
Problem Statement
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.
Example 1:
Example 2:
Constraints:
1 <= nums.length <= 10
-10 <= nums[i] <= 10
All the numbers of
nums
are unique.
Intuition
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Approach 1:
Approach 2:
Approach 3:
Approach 4:
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