#include <iostream>
 
void dangerous( int const** lhs, int const** rhs )
{
	*lhs = *rhs;
}
int main() {
	int* pBar = nullptr;
	int const foo = 7;
	int const* pFoo = &foo;;
	dangerous(const_cast<int const**>(&pBar), &pFoo);
	std::cout << pBar << "," << pFoo << "\n";
	std::cout << *pBar << "," << *pFoo << "\n";
	*pBar = 2; // undefined behavior!
	std::cout << foo << "," << &foo << "\n";
	std::cout << *pBar << "," << pBar << "\n";
	// your code goes here
	return 0;
}

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