Permutation

Given an array nums of distinct integers, return all the possible permutations. You can return the answer in any order.

ข้อกำหนดและเงื่อนไข

1 <= nums.length <= 6 -10 <= nums[i] <= 10 All the integers of nums are unique

ตัวอย่าง Input / Output

Example 1:

Input: nums = [1,2,3] Output: [[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,1,2],[3,2,1]] Example 2:

Input: nums = [0,1] Output: [[0,1],[1,0]] Example 3:

Input: nums = [1] Output: [[1]]