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gh-110067: Add maxheap version of heappush. #110068

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gh-110067: Add maxheap version of heappush. #110068

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5 changes: 5 additions & 0 deletions Lib/heapq.py
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Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,11 @@ def _heappop_max(heap):
return returnitem
return lastelt

def _heappush_max(heap, item):
"""Maxheap version of a heappush."""
heap.append(item)
_siftdown_max(heap, 0, len(heap)-1)

def _heapreplace_max(heap, item):
"""Maxheap version of a heappop followed by a heappush."""
returnitem = heap[0] # raises appropriate IndexError if heap is empty
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