#include <iostream>
//加减乘除，都是靠位运算，
//将来从事手机端，嵌入式开发，位操作,
class jia;//声明，只能声明指针或者引用
jia *pjia1;
jia *& pjia2 = pjia1;
//jia& jia2;
//jiajia1;
//intx=1024
class jia
{
public:
jia(int a, int b) :x(a), y(b)
{
}
int jiafa()
{
return x + y;
}
int getx()
{
return x;
}
int gety()
{
return y;
}
int newjiafa(int a, int b)
{
if (a == 0)
{
return b;
}
else if (b == 0)
{
return a;
}
else
{
int res = a^b;//先求结果
int wei = (a&b) << 1;//进位，左移，乘以2，
//a+b=a^b+(a&b)<<1;
std::cout << "res=" << res << " " << "wei=" << wei << "\n";
return newjiafa(res, wei);
}
}
private:
int x;
int y;
};
int newjiafa(int a, int b)
{
if (a == 0)
{
return b;
}
else if (b == 0)
{
return a;//让相与慢慢趋势于0
}
else
{
int res = a^b;//先求结果
int wei = (a&b) << 1;//进位，左移，乘以2，
//a+b=a^b+(a&b)<<1;//表达式
std::cout << "res=" << res << " " << "wei=" << wei << "\n";
return newjiafa(res, wei);
}
}
void main1()
{
//std::cout << newjiafa(11, 22) << std::endl;
jia jia1(10, 9);
std::cout << jia1.jiafa() << std::endl;
std::cout << jia1.newjiafa(jia1.getx(), jia1.gety()) << std::endl;
std::cin.get();
}
void main2()
{
int num;
std::cin >> num;
int i = 0;
while (num)
{
i++;
num &= num - 1;//让数据趋向于0
}
std::cout << i << std::endl;
std::cin.get();
std::cin.get();
}
int get1(int num)
{
int count = 0;//表示位数
unsigned int flag = 1;//0000001 flag
// 1111 num
//0000001 1
//flag 000001
//num 1111
//flag 0000010
//num 1111
// 0000010
//flag 0000100
//num 1111
// 00000100
//flag 0001000
//num 1111
// 000001000
//flag 00010000
//num 1111
//0
while (flag)
{
std::cout << num << " " << flag << std::endl;
if (num & flag) //不为0就自增
{
count++;
}
flag = flag << 1;
}
return count;
}
void main()
{
int num;
std::cin >> num;
int i = 0;
i = get1(num);
std::cout << i << std::endl;
std::cin.get();
std::cin.get();
}
