'commit'

C++课程/第十四课位运算训练精讲/x&(x-1).cpp

@@ -0,0 +1,19 @@
+#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;
+} 
+