QUESTION 17 The use of smart pointers makes the implementation of the clear method overly complex. O True O False QUESTION 18 There are two types of traditional pointers - raw pointers and well-done pointers. O True O False QUESTION 19 When is the reference count of an object managed by a shared pointer decreased by 1? O When a shared pointer goes out of scope or when a shared pointer is assigned an invalid value O None of these When a shared pointer goes out of scope or when a shared pointer is assigned the value nullptr O When a shared pointer's copy constructor is invoked or when a shared pointer is assigned the value nullptr

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Concept of Pointer Parameter

Pointers are the special variable that stores the variable address, instead of storing the variable value. Pointer is a powerful feature of a programming language. A pointer is mostly used to save memory space and improve execution time.