HyperPlay

#include <iostream>

using std::cout, std::endl, std::string;

string byte_to_bits(uint8_t byte);

char bool_to_char(bool b);

int main() {
    for (int n = 0; n < 256; n++) {

HyperPlay

#include <iostream>
#include <vector>

using std::cin, std::cout, std::endl, std::vector, std::string, std::atoi;

char single_hex(int dec);

bool is_whole_number(string s);

long long get_input();