Branches - Kelsey #36
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CheezItMan
reviewed
Dec 18, 2019
| # Time complexity - ? | ||
| # Space complexity - ? | ||
| # Time complexity - O(1) | ||
| # Space complexity - O(1), thanks to the power of linked lists we are not making any new data structures, just one new node. | ||
| def add_first(data) |
| # Time complexity - ? | ||
| # Space complexity - ? | ||
| # Time complexity - O(n), where `n` = index | ||
| # Space complexity - O(1) | ||
| def get_at_index(index) |
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What about if the index is greater than the length of the list?
| def get_last | ||
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| if @head.next |
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What if head is nil?
Suggested change
| if @head.next | |
| return nil if @head.nil? | |
| if @head.next |
| # Time complexity - ? | ||
| # Space complexity - ? | ||
| # Time complexity - O(n) | ||
| # Space complexity - O(1) | ||
| def add_last(data) |
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👍 This works, but it could be simplified a bit.
| # Time complexity - ? | ||
| # Space complexity - ? | ||
| # Time complexity - O(n), where n is the length of the list | ||
| # Space complexity - O(1) | ||
| def length |
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👍 This works, but could be simplified a bit.
| # Time complexity - ? | ||
| # Space complexity - ? | ||
| # Time complexity - O(1) | ||
| # Space complexity - O(1) | ||
| def get_first |
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Linked List Comprehension Questions