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Problem: Permutations II

Medium
30 min
Explore how to find all unique permutations of a list that may contain duplicates. Practice implementing algorithms that run optimally within given constraints. This lesson helps you understand problem-solving strategies for generating distinct permutations, enhancing your grasp of algorithm efficiency and coding interview patterns.

Statement

For a given integer list, nums, which might contain duplicates, return all possible unique permutations derived from nums.

Note: The order in which the permutations appear doesn’t matter.

Constraints:

  • 1≤1 \leq nums.length ≤8\leq 8

  • −10≤-10 \leq nums[i] ≤10\leq 10

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Problem
Ask
Submissions

Problem: Permutations II

Medium
30 min
Explore how to find all unique permutations of a list that may contain duplicates. Practice implementing algorithms that run optimally within given constraints. This lesson helps you understand problem-solving strategies for generating distinct permutations, enhancing your grasp of algorithm efficiency and coding interview patterns.

Statement

For a given integer list, nums, which might contain duplicates, return all possible unique permutations derived from nums.

Note: The order in which the permutations appear doesn’t matter.

Constraints:

  • 1≤1 \leq nums.length ≤8\leq 8

  • −10≤-10 \leq nums[i] ≤10\leq 10

Similar Problems
Longest Increasing Subsequence
Sum of Two Integers
Majority Element
Unique Paths
Longest Palindromic Substring
Number of Provinces
Linked List Cycle II
Minimum Flips to Make the Binary String Alternate
Lemonade Change
House Robber