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Updated heap.py

luislopez66 2 years ago
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a0a84ec2d6
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eef072e15e
1 changed files with 2 additions and 1 deletions
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      heap.py

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heap.py View File 

@@ -31,7 +31,8 @@ def heapify(lista, n, i):
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 		# If necessary, this changes root by swapping va-
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 		# lues
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-		lista[i], lista[largest] = lista[largest], lista[i]
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+        if largest != i:
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+            lista[i], lista[largest] = lista[largest], lista[i]
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 		# This heapifies the root repeatedly
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 		heapify(lista, n, largest)