#include <bit>
#include <iostream>

int main()
{
  auto n = 42u;
  
  std::cout << std::has_single_bit(n) << '\n';
  std::cout << std::bit_ceil(n) << '\n';
  std::cout << std::bit_floor(n) << '\n';
  std::cout << std::bit_width(n) << '\n';
  
  std::cout << std::rotl(n, 8) << '\n';
  std::cout << std::rotr(n, 8) << '\n';
  
  std::cout << std::countl_zero(n) << '\n';
  std::cout << std::countl_one(n) << '\n';
  std::cout << std::countr_zero(n) << '\n';
  std::cout << std::countr_one(n) << '\n';

  std::cout << std::popcount(n) << '\n';
}