runoob_09_bitset

/*
 * @Author: by777
 * @Date: 2025-03-21 18:09:55
 * @LastEditors: by777
 * @LastEditTime: 2025-03-24 11:54:45
 * @FilePath: /cxx_stl/runoob_09.cpp
 * @Description: https://www.runoob.com/cplusplus/cpp-libs-bitset.html
 * 
 * Copyright (c) 2025 by by777, All Rights Reserved. 
 */
#include <iostream>
#include <bitset>

int main(int argc, const char** argv) {
    
    std::bitset<8> bits("10101010");
    std::cout<<"Count of 1 is: "<<bits.count()<<std::endl;// 
    std::cout<<"Size: "<<bits.size()<<std::endl;
    std::cout<<"bits[3] == 1? "<<bits.test(3)<<std::endl;
    std::cout<<"all bits == 1? "<<bits.all()<<std::endl;


    unsigned long num = bits.to_ulong();
    std::string str = bits.to_string();

    std::cout<<"num: "<<num<<std::endl;
    std::cout<<"str: "<<str<<std::endl;

    return 0;
}