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Questions and Answers
What is the purpose of the base case in a recursive solution?
What is the purpose of the base case in a recursive solution?
- Terminate the recursive processing (correct)
- Generate the terms in a sequence
- Select the pivot item
- Manage local variables
Why is a divide-and-conquer strategy used in binary search?
Why is a divide-and-conquer strategy used in binary search?
- To efficiently search through and divide the data (correct)
- To compute the same values over and over
- To determine the pivot item
- To perform sequential searches
What is a recurrence relation used for?
What is a recurrence relation used for?
- Selecting the pivot item
- Generating terms in a sequence (correct)
- Terminating recursive processing
- Managing local environment
Why is computing the Fibonacci sequence recursively considered problematic?
Why is computing the Fibonacci sequence recursively considered problematic?
What does each box in a box trace roughly correspond to?
What does each box in a box trace roughly correspond to?
What is NOT contained in each box in a box trace?
What is NOT contained in each box in a box trace?
What event triggers the creation of a new box in the box trace for a recursive function?
What event triggers the creation of a new box in the box trace for a recursive function?
What happens if a recursive function never reaches a base case?
What happens if a recursive function never reaches a base case?
In a recursive method that writes a string of characters in reverse order, what defines the base case?
In a recursive method that writes a string of characters in reverse order, what defines the base case?
What is a precondition for a method that computes the nth Fibonacci number?
What is a precondition for a method that computes the nth Fibonacci number?
How many base cases does a recursive binary search of a sorted array have?
How many base cases does a recursive binary search of a sorted array have?
When solving a problem by breaking it into smaller problems, how should the smaller problems be related to the base case?
When solving a problem by breaking it into smaller problems, how should the smaller problems be related to the base case?
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