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Some things to work on here. You did the brute-force solution to Fibonacci, but you did get the super_digit solution.

# Time Complexity - O(n!)
# Space Complexity O(n)
# Hint, you may want a recursive helper method
def fibonacci(n)

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This is the brute force O(2n) time complexity solution...


# Time Complexity - O(n)
# Space Complexity - O(n)
def super_digit(x)

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👍

Comment on lines +3 to +4
# Time Complexity - O(n)
# Space Complexity - O(n)

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Yes, where n is the number of digits.

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2 participants