python/C++课程/第十四课位运算训练精讲/x&(x-1).cpp

#include<bits/stdc++.h>
//https://blog.csdn.net/sandwichsauce/article/details/79847953
using namespace std;
int func(int x)
{
   int count = 0;
   while (x)
   {
     count++;
     x = x&(x - 1);
   }
  return count;
}
int main()
{
  cout << func(2048) << endl;
  return 0;
}