Paper: Stacks-Queues Exercise #56
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CheezItMan
reviewed
Jan 27, 2022
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| # if size of queue is equal to buffer_size we raise a value error | ||
| if self.size == self.buffer_size: | ||
| raise QueueFullException | ||
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| # if queue is empty | ||
| if self.front == -1: | ||
| self.front = 0 | ||
| self.rear = 1 | ||
| self.store[self.front] = element | ||
| self.size += 1 | ||
| return | ||
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| self.store[self.rear] = element | ||
| self.rear = (self.rear + 1 ) % self.buffer_size | ||
| self.size += 1 |
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👍 This works, but the code could be a little simplified.
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| # if queue is empty | ||
| if self.size == 0: | ||
| raise QueueEmptyException | ||
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| temp = self.store[self.front] | ||
| self.front = (self.front + 1) % self.buffer_size | ||
| self.size -= 1 | ||
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| return temp |
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| if self.size == 0: | ||
| return None | ||
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| return self.store[self.front] |
| if self.size == 0: | ||
| return None | ||
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| return self.store[self.front] | ||
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| def size(self): |
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| if self.size == 0: | ||
| return True | ||
| else: | ||
| return False |
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Suggested change
| if self.size == 0: | |
| return True | |
| else: | |
| return False | |
| return self.size == 0 |
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Stacks and Queues
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Comprehension Questions
OPTIONAL JobSimulation