2. This exercise is another variation on "instrumenting" the recursive Fi- bonacci program to better understand its behavior. Write a program that counts how many times the fib function is called to compute fib(n) where n is a user input. Hint: To solve this problem, you need an accumulator variable whose value "persists" between calls to fib. You can do this by making the count 13.6. Exercises 497 an instance variable of an object. Create a FibCounter class with the following methods: init (self) Creates a new FibCounter, setting its count instance vari- able to 0. getCount (self) Returns the value of count. fib(self,n) Recursive function to compute the nth Fibonacci number. It increments the count each time it is called. resetCount (self) Sets the count back to 0.

2. This exercise is another variation on "instrumenting" the recursive Fi- bonacci program to better understand its behavior. Write a program that counts how many times the fib function is called to compute fib(n) where n is a user input. Hint: To solve this problem, you need an accumulator variable whose value "persists" between calls to fib. You can do this by making the count 13.6. Exercises 497 an instance variable of an object. Create a FibCounter class with the following methods: init (self) Creates a new FibCounter, setting its count instance vari- able to 0. getCount (self) Returns the value of count. fib(self,n) Recursive function to compute the nth Fibonacci number. It increments the count each time it is called. resetCount (self) Sets the count back to 0.

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter15: Recursion

Section: Chapter Questions

Problem 8SA

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