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CheezItMan
reviewed
Dec 18, 2020
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| @last = nil | ||
| @length = 0 |
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| # Time complexity - O(1) | ||
| # Space complexity - O(1) | ||
| def add_first(data) |
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| # Time complexity - O(1) | ||
| # Space complexity - O(1) | ||
| def get_first |
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| # Time complexity - O(1) | ||
| # Space complexity - O(1) | ||
| def add_last(data) |
| def add_first(data) | ||
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| @head = Node.new(data, @head) |
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Suggested change
| @head = Node.new(data, @head) | |
| @head = Node.new(data, @head) | |
| @last = @head if @last.nil? |
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| # Time complexity - O(1) | ||
| # Space complexity - O(1) | ||
| def get_last |
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| # Time complexity - O(n) | ||
| # Space complexity - O(n) | ||
| def get_at_index(index, node = @head) |
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