leetcode

0 class Solution {

1 public:

2 vector<int> shuffle(vector<int> &nums, int n) {

3 vector<int> res(n * 2);

4 for (int i = 0; i < n; i++) {

5 res[2 * i] = nums[i];

6 res[2 * i + 1] = nums[n + i];

7 }

8 return res;

9 }

10 };