#1508Medium· asked at 2 companies
Permutations II
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What we know
Example 1
Input: nums = [1,1,2] Output: [[1,1,2],[1,2,1],[2,1,1]]
Example 2
Input: nums = [1,2,3] Output: [[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,1,2],[3,2,1]]
Constraints
- •
1 <= nums.length <= 8 - •
-10 <= nums[i] <= 10