#include <bits/stdc++.h>
using namespace std;
class Solution {
public:
vector<int> shuffle(vector<int>& nums, int n) {
int l = 0 , r = n;
vector<int>res;
for(l; l < n ; l++ , r++){
res.push_back(nums[l]);
res.push_back(nums[r]);
}
return res;
}
};
int main() {
// your code goes here
return 0;
}
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