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Permutations of Array 1

medium Solve on LeetCode

Last edited: August 2, 2025

Problem
Examples
Solution
Method 1 - Backtracking storing current permutation in List
Code
Method 2 - Using HashSet
Code
Approach 2 - Backtracking with Visited Array
Method 2 - Backtracking with Swapping Elements in Array
Code
Complexity

Related Tags

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