#include <iostream>
#include <vector>
#include <memory>
#include <cstdio>
#include <fstream>
#include <cassert>
#include <functional>
using namespace std;
 
int main() {
	shared_ptr<std::string> shared_ptr1 = std::make_shared<std::string>("Foo");
	shared_ptr<std::string> shared_ptr2 = std::make_shared<std::string>("Bar"); 
 
	std::string* normal_ptr = shared_ptr1.get(); 
	shared_ptr1 = shared_ptr2; 
 
	cout << (*normal_ptr) << "\n"; 
	cout << (*shared_ptr1) << "\n";
 
	return 0;
}

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