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CheezItMan
reviewed
Feb 23, 2020
| @@ -19,43 +19,97 @@ def initialize | |||
| # 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 | |||
| def add_first(value) | |||
| @@ -19,43 +19,97 @@ def initialize | |||
| # 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 | |||
| def add_first(value) | |||
| raise NotImplementedError | |||
| current = @head | |||
| @head = Node.new(value, current) | |||
| end | |||
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| # method to find if the linked list contains a node with specified value | |||
| # returns true if found, false otherwise | |||
| def search(value) | |||
| else | ||
| current = current.next | ||
| end | ||
| end |
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Just for readability I suggest returning false when you can't find it.
Suggested change
| end | |
| end | |
| return false |
| else | ||
| current = current.next | ||
| end | ||
| end | ||
| end | ||
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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 |
| while current | ||
| max = current.data if current.data > max | ||
| current = current.next | ||
| end | ||
| end | ||
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| # method to return the min value in the linked list | ||
| # returns the data value and not the node | ||
| def find_min |
| while current | ||
| min = current.data if current.data < min | ||
| current = current.next | ||
| end | ||
| end | ||
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| # method that returns the length of the singly linked list | ||
| def length |
| count += 1 | ||
| node = node.next | ||
| end | ||
| return count | ||
| end | ||
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| # method that returns the value at a given index in the linked list | ||
| # index count starts at 0 | ||
| # returns nil if there are fewer nodes in the linked list than the index value | ||
| def get_at_index(index) |
| while current | ||
| linked_list += "#{current.data}" | ||
| current = current.next | ||
| end |
There was a problem hiding this comment.
Suggested change
| end | |
| end | |
| return linked_list |
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