1. Write a C++ program to insert an element into position two of an array. Your...

 

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1. Write a C++ program to insert an element into position two of an array. Your answer should include an explanation in your output. a. What is a priority queue? b. What is a set? c. What are Maps? d. What strategies would you use for choosing the appropriate data structures based on questions a, b and c above? 1. Write a C++ program to insert an element into position two of an array. Your answer should include an explanation in your output. a. What is a priority queue? b. What is a set? c. What are Maps? d. What strategies would you use for choosing the appropriate data structures based on questions a, b and c above?