// 8-bit integer overflow

#include <iostream>			// Prior to C++20 header file for input and output
#include <bitset>           // Header for bitset (binary representation)

using std::cout;
using std::endl;

int main() {
	// Type char is used to define 8-bit numbers
	
	// ----- Unsigned Integers ------
	// No Overflow
	unsigned char u1, u2, u3;      // 8-bit unsigned integers
	u1 = 100;
	u2 = 50;
	u3 = u1 + u2;
	cout << "Unsigned Integers:" << endl;
	cout << "u1: Decimal = " << static_cast<int>(u1) << " Binary = " << std::bitset<8>(u1) << endl;
	cout << "u2: Decimal = " << static_cast<int>(u2) << " Binary = " << std::bitset<8>(u2) << endl;
	cout << "Result: Decimal = " << static_cast<int>(u3)<< " Binary = " << std::bitset<8>(u3) << endl;
	cout << "----------------------" << endl;
	
	// ----- Signed Integers ------
	// Overflow
	signed char s1, s2, s3;        // 8-bit signed integers
	s1 = 100;					   // Same values 100 and 50 as before
	s2 = 50;
	s3 = s1 + s2;				  // Overflow. Decimal 150 cannot be represented using 8 bits
	cout << "Signed Integers:" << endl;
	cout << "s1: Decimal = " << static_cast<int>(s1) << " Binary = " << std::bitset<8>(s1) << endl;
	cout << "s2: Decimal = " << static_cast<int>(s2) << " Binary = " << std::bitset<8>(s2) << endl;
	cout << "Result: Decimal = " << static_cast<int>(s3) << " Binary = " << std::bitset<8>(s3) << endl;

	return 0;
}