Earth - Beauttie #11
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Earth - Beauttie #11
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CheezItMan
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May 1, 2021
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| # Time Complexity: O(n log n); adding n nodes to a heap is O(n log n), | ||
| # while removing n nodes from the heap is O(n log n) => O(nlog n + nlog n) | ||
| # Space Complexity: O(n) because of heap with up to n nodes | ||
| def heapsort(list) |
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| # Time Complexity: O(log n) | ||
| # Space Complexity: O(1) | ||
| def add(key, value = key) |
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| # Time Complexity: O(log n) | ||
| # Space Complexity: O(1) | ||
| def remove() |
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| # Time complexity: O(1) | ||
| # Space complexity: O(1) | ||
| def empty? |
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| # Time complexity: O(log n) | ||
| # Space complexity: O(1) | ||
| def heap_up(index) |
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| # This helper method takes an index and | ||
| # moves it up the heap if it's smaller | ||
| # than it's parent node. | ||
| def heap_down(index) |
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Heaps Practice
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Comprehension Questions
heap_up&heap_downmethods useful? Why?