剑指offer——面试题15.2:判断两个整数m和n的二进制中相差多少位

 #include"iostream"
 using namespace std;

 int CountDifferentBit(int m,int n)
 {
     int cnt=,diff=m^n;
     while(diff)
     {
         cnt++;
         diff=(diff-)&diff;
     }
     return cnt;
 }

 int main()
 {
     int m,n;
     while(cin>>m>>n)
     {
         cout<<CountDifferentBit(m,n)<<endl;
     }
     return ;
 }