#include <iostream>
#include <vector>
 
struct TestDelete
{
  int integer;
  TestDelete(int i) : integer(i)
  {
    std::cout <<"TestDelete constructor for "<< integer <<"\n";
  }
  ~TestDelete()
  {
    std::cout <<"TestDelete destructor for "<< integer<<"\n";
  }
};
 
int main () {
 
  std::cout << "original:\n";
  std::vector<TestDelete> pt;
  pt.push_back(TestDelete(1));
  pt.push_back(TestDelete(2));
 
  std::cout <<"\nimprovement:\n";
 
  std::vector<TestDelete> pt2;
  pt2.reserve(2);
  pt2.push_back(TestDelete(1));
  pt2.push_back(TestDelete(2));
 
  std::cout << "\nLet the desruction commence.\n";
 
  return 0;
}

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