Check out example codes for "bitset declaration c++". It will help you in understanding the concepts better.

Code Example 1

// constructing bitsets
#include <iostream>       // std::cout
#include <string>         // std::string
#include <bitset>         // std::bitset

int main ()
{
  std::bitset<16> foo;
  std::bitset<16> bar (0xfa2);
  std::bitset<16> baz (std::string("0101111001"));

  std::cout << "foo: " << foo << '\n';
  std::cout << "bar: " << bar << '\n';
  std::cout << "baz: " << baz << '\n';

  return 0;
}

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