leetcode

0 class Solution {

1 public:

2 vector<vector<int>> permuteUnique(vector<int> &nums) {

3 vector<vector<int>> res;

4 sort(nums.begin(), nums.end());

5 do {

6 res.push_back(nums);

7 } while (next_permutation(nums.begin(), nums.end()));

8 return res;

9 }

10 };