自己编写的用C++的类来实现闹钟的功能，要求用户自己输入想要闹的时间，以及对时间进行初始化，然后判断两个时间是否一致，若为一致，则响一声。-I have written with the class of C++ alarm clock function, requiring the user to enter the time you want to make trouble, and the time to initialize, and then determine whether the