#include <iostream>

 //位运算,处理二进制非常方便,线性存储

 #include <bitset>

 #include <string>

 using namespace std;

 void main()

 {

     //bitset<8> mybit(255);//1111 1111

     //for (int i = 7; i >= 0; i--)

     //{

     //    cout << mybit[i] << endl;

     //}

     int num = -;

     bitset<> mybit(num);

     for (int i = ; i >= ; i--)

     {

         cout << mybit[i];

     }

     string strl = mybit.to_string();//转化字符串

     unsigned long longl = mybit.to_ulong();//转化为无符号整数

     cout << "str1:" << strl << endl;

     cout << "longl:" << longl << endl;

     mybit.reset();//重置

     mybit.set(, );//设置二进制位

     cin.get();

 }