Yaz - Linked List #44
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…tead of tring to assign a list to a node
CheezItMan
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Dec 9, 2020
CheezItMan
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CheezItMan
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Nice work Yaz, thanks for getting this in. The methods you implementing are pretty well done. You did miss some entries for time/space complexity. Otherwise excellent work.
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| # method to add a new node with the specific data value in the linked list | ||
| # insert the new node at the beginning of the linked list | ||
| # Time Complexity: O(1) | ||
| # Space Complexity: O(1) | ||
| def add_first(value) |
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| if @head | ||
| second = @head | ||
| @head = Node.new(value, second) | ||
| else | ||
| @head = Node.new(value) | ||
| end |
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Suggested change
| if @head | |
| second = @head | |
| @head = Node.new(value, second) | |
| else | |
| @head = Node.new(value) | |
| end | |
| @head = Node.new(value, @head) |
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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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| # method to delete the first node found with specified value | ||
| # Time Complexity: O(n) | ||
| # Space Complexity: O(1) | ||
| def delete(value) |
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| # method to reverse the singly linked list | ||
| # note: the nodes should be moved and not just the values in the nodes | ||
| # Time Complexity: O(n) | ||
| # Space Complexity: O(n) | ||
| def reverse |
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| ## Advanced Exercises | ||
| # returns the value at the middle element in the singly linked list | ||
| # Time Complexity: O(n) | ||
| # Space Complexity: O(1) | ||
| def find_middle_value |
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| # Time Complexity: O(n) | ||
| # Space Complexity: O(1) | ||
| def find_nth_from_end(n) |
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| # Time Complexity: ? | ||
| # Space Complexity: ? | ||
| def get_first |
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