Cpp Preprocessor Directives Questions

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List down benifits of using preprocessor directives in C++ programs.

Write down syntax of define directive.

Differerniate between #ifdef and #ifndef directives.

Write down example that demonstrate #define directive with arguments.

Difference between #if and #ifel preprocessor directive.

Define #error preprocessor directive.

Differentiate between #define and #undef directive.

List down names of preprocessor directive.

Define preprocessor directives used in C++

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