How do I calculate age in C++?

The function then does the task of calculating the age. We find the year y by simply subtracting the values of py and by. We find the month m by subtracting the values of pm and bm if pm>bm. Otherwise, we subtract 1 from y and subtract the quantity (bm – pm) from 12.

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What does class :: mean in C++?

Class is the foundation for object-oriented programming. It is a user-defined data type that works as a blueprint and allows its instances to be created which are known as an object. Class in C++ is the combination of data members and member function, which implements the encapsulation and data hiding concepts .

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