In the correct recursive case implementation of factorial, what does 'else' indicate? A) It handles invalid input cases B) It signifies a base case C) It represents an end of the r... In the correct recursive case implementation of factorial, what does 'else' indicate? A) It handles invalid input cases B) It signifies a base case C) It represents an end of the recursion D) It defines how to calculate factorial for n > 1
Understand the Problem
The question is inquiring about the role of the 'else' statement within the implementation of a recursive function for calculating the factorial of a number. Specifically, it is asking which of the provided options correctly describes what the 'else' statement signifies in this context.
Answer
D) It defines how to calculate factorial for n > 1.
The correct answer is D) It defines how to calculate factorial for n > 1.
Answer for screen readers
The correct answer is D) It defines how to calculate factorial for n > 1.
More Information
In recursive function implementations, 'else' is typically used after checking the base case to handle the recursive step, which applies when n is greater than 1 for factorial calculations. This part is where the recursive function calls itself with n-1.
Tips
A common mistake is confusing the role of 'else' with the base case. However, in recursion, 'else' generally pertains to the recursive step rather than terminating conditions.
Sources
- Is recursion a feature in and of itself? - Stack Overflow - stackoverflow.com
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