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CheezItMan
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Nov 4, 2020
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Well this is partially completed and what you have is pretty good. Take a look at my comments and let me know what questions you have.
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| # Time complexity: O(n) | ||
| # Space complexity: O(n) | ||
| def factorial(n) |
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| # Time complexity: O(n^2) | ||
| # Space complexity: O(n^2) | ||
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| def reverse(s) |
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| # Time complexity: O(n) | ||
| # Space complexity: O(n) | ||
| def reverse_in_place(s) |
lib/recursive-methods.rb
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| # Time complexity: ? | ||
| # Space complexity: ? | ||
| def bunny(n) |
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👍 This works, but what time/space complexity do you think you have? You're dividing by 2 each time...
CheezItMan
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Nov 29, 2020
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| # Time complexity: O(n) | ||
| # Space complexity: O(n) | ||
| def bunny(n) |
| # ...("a", 0) s.length = 1, idx = 0 | ||
| # ...("raeb", 2) s.length = 4, idx = 2 | ||
| # ...("butter", 0) => ("rutteb", 1) => ("rettub", 2) ("rettub", 3) => return | ||
| def reverse_in_place_helper(s, index) |
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