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C17 Whales - Kiana Shui #48

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C17 Whales - Kiana Shui #48

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e482c2c
updating with working solution passing all tests
kianashui Jan 19, 2023
5580789
refactored to be O(n) time complexity and use memo instead of global …
kianashui Jan 20, 2023
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20 changes: 17 additions & 3 deletions lib/newman_conway.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,20 @@
def newman_conway(num):
""" Returns a list of the Newman Conway numbers for the given value.
Time Complexity: ?
Space Complexity: ?
Time Complexity: O(n) where n is the input
Space Complexity: O(n) where n is the input
"""
pass

if num < 1:
raise ValueError
elif num == 1:
return "1"

memo = [0, 1, 1]

output_string = "1 1 "
for i in range(3, num + 1):
new_number = memo[memo[i - 1]] + memo[i - memo[i - 1]]
memo.append(new_number)
output_string += f"{str(new_number)} "

return output_string[:-1]