Fire- Gessica #18
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Fire- Gessica #18
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CheezItMan
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May 6, 2021
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| # Time Complexity: O(nlog(n)) | ||
| # Space Complexity: O(n) | ||
| def heapsort(list) |
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| # Time Complexity: O(log(n)) | ||
| # Space Complexity: O(log(n)) | ||
| def add(key, value = key) |
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| # Time Complexity: O(log(n)) | ||
| # Space Complexity: O(log(n)) | ||
| 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(log(n)) | ||
| def heap_up(index) |
| left_child = (index * 2) + 1 | ||
| right_child = (index * 2) + 2 | ||
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| return @store if @store[left_child].nil? || @store[right_child].nil? |
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What about if the left child is NOT nil and the right child is? Could the parent need to swap with the sole left child?
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Heaps Practice
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Comprehension Questions
heap_up&heap_downmethods useful? Why?