- #include <iostream> 
- #include <vector> 
- #include <algorithm> 
- using namespace std; 
-   
- int main() { 
- 	vector<int> ints{ 1, 2, 3, 4, 5 }; 
- 	vector<double> doubles; 
-   
- 	copy( ints.begin(), ints.end(), back_inserter( doubles ) ); 
-   
- 	cout << doubles[2] << endl; 
- } 
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