lizncu

Java

class Solution {
  public int[] shuffle(int[] nums, int n) {
    int[] ans = new int[nums.length];
    int count = 0;

    for (int i = 0; i < n; i++) {
      ans[count++] = nums[i];

      ans[count++] = nums[i + n];
    }

    return ans;
  }
}