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<-E 1470> Shuffle the Array

class Solution {
public:
   
      vector<int> shuffle(vector<int>& nums, int n) {
        vector<int> ans;

        for (int i = 0, j = n; j < nums.size(); i++, j++) {

                ans.push_back(nums[i]);

                ans.push_back(nums[j]);


        }
        return ans;
    }
};