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CheezItMan
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May 27, 2021
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Nice work Kal, you hit the learning goals here. Well done. I had some feedback, take a look and let me know what questions you have.
| raise NotImplementedError | ||
| length = self.length | ||
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| return nil if index > length |
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This would fix the failing test
Suggested change
| return nil if index > length | |
| return nil if index >= length | |
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| # Time Complexity: O(1) | ||
| # Space Complexity: O(1) | ||
| def add_first(value) |
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| # Time Complexity: O(n) | ||
| # Space Complexity: O(1) | ||
| def search(value) |
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| # method to return the max value in the linked list | ||
| # returns the data value and not the node | ||
| def find_max |
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| # Time Complexity: O(n) | ||
| # Space Complexity: O(1) | ||
| def find_min |
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| # Time Complexity: O(n) | ||
| # Space Complexity: O(1) | ||
| def reverse |
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| # Time Complexity: ? | ||
| # Space Complexity: ? | ||
| def get_last |
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👍 , I assume now you know the time/space complexity
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| # Time Complexity: ? | ||
| # Space Complexity: ? | ||
| def find_nth_from_end(n) |
| @@ -131,15 +246,40 @@ def find_nth_from_end(n) | |||
| # Time Complexity: ? | |||
| # Space Complexity: ? | |||
| def has_cycle | |||
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| return nil if @head.nil? | ||
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| current_node = @head |
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I think here you'll need to check if head is nil, then insert first.
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