#include <iostream>
#include <iomanip>
#include <cstring>

int main()
{
    char a[]="й";
    std::cout << std::strlen(a) << "\n\n";
    for(unsigned char c: a)
    {
        std::cout << std::hex << (int)c << '\n';
    }
    std::cout << "^-- there is a terminating '\\0'.";
}