题解 | #整数转化#

class Transform {
public:
    int calcCost(int A, int B) {
        // A 和 B 异或后统计结果中的1的个数
        int temp = A ^ B;
        int counter = 0;
        while(temp > 0)
        {
            if(temp & 1 == 1) counter++;
            temp = temp >> 1;
        }
        return counter;
    }
};