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CheezItMan
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Sep 14, 2020
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CheezItMan
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Nice work Alex, you hit the learning goals here. Well done.
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| # Time Complexity: O(n) | ||
| # Space Complexity: O(n) | ||
| def balanced(string) |
| } | ||
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| string.each_char do |char| | ||
| if twosomes.values.include?(char) |
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Note about .include? is an O(n) operation and unnecessary in a hash.
Suggested change
| if twosomes.values.include?(char) | |
| if twosomes[char] |
| @back = -1 | ||
| end | ||
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| def enqueue(element) |
| end | ||
| end | ||
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| def dequeue |
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| def front | ||
| raise NotImplementedError, "Not yet implemented" | ||
| return @queue[@front] | ||
| end |
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You should also check to see if the Queue is empty
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| def get_queue_contents() | ||
| if @queue.empty? | ||
| return [] | ||
| elsif @front > @back | ||
| return @queue[@front...@size] + @queue[0...@back] | ||
| else | ||
| return @queue[@front...@back] | ||
| end | ||
| end |
| @@ -1,22 +1,25 @@ | |||
| class Stack | |||
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Stacks and Queues
Thanks for doing some brain yoga. You are now submitting this assignment!
Comprehension Questions
OPTIONAL JobSimulation