Материал из C\C++ эксперт
Demonstrate bitset
#include <iostream>
#include <bitset>
using namespace std;
int main()
{
bitset<16> bitsetObject(32);
cout << "Bits:";
cout << bitsetObject;
cout << endl;
bitsetObject[0] = 1;
bitsetObject[2] = 0;
bitsetObject[10] = 1;
bitsetObject[12] = 1;
cout << "Bits:";
cout << bitsetObject;
cout << endl;
bitsetObject <<= 2; // rotate bits
cout << "Bits rotate: ";
cout << bitsetObject;
cout << endl;
bitsetObject.flip(); // flip bits
cout << "After flipping bits: ";
cout << bitsetObject;
cout << endl;
if(bitsetObject.any())
cout << "bitsetObject has at least 1 bit set.\n";
cout << "bitsetObject has " << bitsetObject.count();
cout << " bits set.\n";
// test bits different three ways
if(bitsetObject[0] == 1)
cout << "bit 0 is on\n";
if(bitsetObject.test(1))
cout << "bit 1 is on\n";
cout << "Add 11 to bit 0: " << bitsetObject[0] + 11 << endl; // can add bits to integers
return 0;
}
