Prompt
def fibonacci(n):
if n <= 1:
return n
else:
return fibonacci(n-1) + fibonacci(n-2)
Answer
Language/Technology Identification:
The provided code snippet is written in Python.
Code Refactoring:
- Avoiding Recalculation:
- Issue: The current implementation recalculates Fibonacci values multiple times.
- Refactoring: Utilize memoization to store already calculated values to improve performance.
Documentation of Changes:
- Avoiding Recalculation:
- Issue: The original code recalculates Fibonacci values, leading to inefficiency.
- Refactoring Reasoning: Implement memoization to store computed Fibonacci values, reducing redundant calculations and optimizing performance.
Refactored Code (Python):
def fibonacci(n, memo={}):
if n in memo:
return memo[n]
if n <= 1:
return n
else:
result = fibonacci(n-1, memo) + fibonacci(n-2, memo)
memo[n] = result
return result
Description
Refactor Python code to optimize Fibonacci calculation using memoization, eliminating redundant recalculations for improved performance.
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