6.49 (Pass-by-Value vs. Pass-by-Reference) Write a complete C++ program with the two alternate functions specified below, each of which simply triples the variable count defined in main. Then compare and contrast the two approaches. These two functions are a) function tripleByValue that passes a copy of count by value, triples the copy and re- turns the new value and b) function tripleByReference that passes count by reference via a reference parameter and triples the original value of count through its allas (i.c., the reference parameter).

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## 6.49 (Pass-by-Value vs. Pass-by-Reference)

Write a complete C++ program with the two alternate functions specified below, each of which simply triples the variable `count` defined in `main`. Then compare and contrast the two approaches. These two functions are:

a) **function `tripleByValue`**: This function passes a copy of `count` by value, triples the copy, and returns the new value.

b) **function `tripleByReference`**: This function passes `count` by reference via a reference parameter and triples the original value of `count` through its alias (i.e., the reference parameter).
Transcribed Image Text:## 6.49 (Pass-by-Value vs. Pass-by-Reference) Write a complete C++ program with the two alternate functions specified below, each of which simply triples the variable `count` defined in `main`. Then compare and contrast the two approaches. These two functions are: a) **function `tripleByValue`**: This function passes a copy of `count` by value, triples the copy, and returns the new value. b) **function `tripleByReference`**: This function passes `count` by reference via a reference parameter and triples the original value of `count` through its alias (i.e., the reference parameter).
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