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In the main function, we create two TimeHrMn objects time1 and time2, and use the overloaded + operators to add them together or add an int value to one of them. We also demonstrate the use of the built-in addition operator with an int value
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Operator overloading is useful when you want to make your code more expressive and natural by allowing operators to work with your own classes. However, it should be used with care, as overloading operators can sometimes make your code less readable and more error-prone. When overloading operators, you should follow the conventions and semantics of the built-in operators to avoid confusing users of your code.