- #include <iostream> 
- #include <vector> 
- using namespace std; 
-   
- int main() { 
- 	int t; 
- 	cin >> t; 
- 	while (t--){ 
- 		int n; 
- 		cin >> n; 
- 		vector<int>v; 
- 		for(int i=0; i<n; i++){ 
- 			int k; 
- 			cin >> k; 
- 			v.push_back(k); 
- 		} 
- 		for(int u:v)cout << u << " "; 
- 	} 
- 	return 0; 
- } 
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