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Nice work Jasmine you hit all the learning goals here, plus the extras. Well done!
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| # Time Complexity: O(n) - where n is the number of characters in the string | ||
| # Space Complexity: O(n) - worse case, all characters are openers and we push them all into the stack. | ||
| def balanced(string) |
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| # Time Complexity: O(n) - where n is the number of characters in the expression | ||
| # Space Complexity: O(n) - We're using a stack to store values. | ||
| def evaluate_postfix(postfix_expression) |
| @back = -1 | ||
| end | ||
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| def enqueue(element) |
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| end | ||
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| def dequeue |
| return data | ||
| end | ||
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| def front |
| return @front == -1 ? 0 : @back - @front + 1 | ||
| end | ||
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| def empty? |
| return @list[@front] | ||
| end | ||
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| def size |
| return @front == -1 || @front == @back | ||
| end | ||
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| def to_s |
| @@ -1,19 +1,18 @@ | |||
| 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