Rock - Priscille #26
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Rock - Priscille #26
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added 2 commits
January 2, 2022 20:27
CheezItMan
reviewed
Jan 11, 2022
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| def heap_sort(list): | ||
| """ This method uses a heap to sort an array. | ||
| Time Complexity: ? | ||
| Space Complexity: ? | ||
| Time Complexity: O(nlogn) | ||
| Space Complexity O(n): |
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| def add(self, key, value = None): | ||
| """ This method adds a HeapNode instance to the heap | ||
| If value == None the new node's value should be set to key | ||
| Time Complexity: ? | ||
| Space Complexity: ? | ||
| Time Complexity: O(log n) | ||
| Space Complexity: O(1) |
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👍 However the space complexity is O(log n) due to heap_up function's recursive call stack.
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| def remove(self): | ||
| """ This method removes and returns an element from the heap | ||
| maintaining the heap structure | ||
| Time Complexity: ? | ||
| Space Complexity: ? | ||
| Time Complexity: O(log n) | ||
| Space Complexity: O(1) | ||
| """ |
| pass | ||
|
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| size = len(self.store) | ||
| while True: |
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Personally I don't like using infinite loops like this. It makes the flow of the loop harder to track. Overall this loop is also a bit overcomplicated.
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Heaps Practice
Congratulations! You're submitting your assignment!
Comprehension Questions
heap_up&heap_downmethods useful? Why? Yes