#include <iostream>
#include <iomanip>
using namespace std;
 
enum A{a=9223372036854775808,b=~9223372036854775808+1};
 
template<typename T>
void dump(const T& value)
{
	union {
		T value;
		unsigned char bytes[sizeof(T)];
	} v;
 
	std::cout << "signed=" << (~T(0)<0) << std::endl;
 
	v.value = value;
	for (size_t i = sizeof(v.bytes); i > 0; --i)
		std::cout << std::hex << std::setfill('0') << std::setw(2) << (unsigned int)v.bytes[i-1];
	std::cout << std::endl;
}
 
int main()
{
 
cout << sizeof(a) << endl;
dump(a);
dump(b);
 
 
}

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