Search⌘ K
AI Features
Home
Courses
Grokking the Coding Interview Patterns

Solution: Subsets II

Explore how to generate all unique subsets from an integer array that may contain duplicates. This lesson teaches you to use sorting combined with backtracking and depth-first search to efficiently avoid duplicate subsets and build the complete power set.

We'll cover the following...

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:

  • 1<=1 <= nums.length <=10<= 10

  • −10<=-10 <= ...