In other words, while using classes with integer constants like this might be a passable solution, it's not a very efficient one.

换句话说，在使用这类带有整型常量的类时，该解决方案也许可行，但并不是非常有效。

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Constants: the following are the integer constants defined.

常量：下面是定义的整型常量。

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Declare integer constants using "l" or "u", as appropriate.

根据需要适当地使用“L”或“U”来声明整型常量。

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