Questions on C++. Was asked to implement a queue with key and value pair, questions on C++ concepts like oops, shallow and deep copy, function pointers, smart pointer etc.

Questions on C++. Was asked to implement a queue with key and value pa

1.	Questions on C++. Was asked to implement a queue with key and value pair, questions on C++ concepts like oops, shallow and deep copy, function pointers, smart pointer etc.
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