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Delete median_from_stream.py

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bt3gl 2023-08-08 16:44:19 -07:00 committed by GitHub
parent bf35809bb2
commit f75b102b78
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1 changed files with 0 additions and 37 deletions
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heaps/median_from_stream.py
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@ -1,37 +0,0 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# author: bt3gl
class MedianFinder:
def __init__(self):
self.min_heap = []
self.max_heap = []
def addNum(self, num: int) -> None:
min_heap, max_heap = self.min_heap, self.max_heap
if len(min_heap) < len(max_heap):
heappush(min_heap, num)
else:
heappush(max_heap, -num)
if max_heap and min_heap and -max_heap[0] > min_heap[0]:
heappush(max_heap, -heappop(min_heap))
heappush(min_heap, -heappop(max_heap))
def findMedian(self):
min_heap, max_heap = self.min_heap, self.max_heap
if len(min_heap) < len(max_heap):
return -max_heap[0]
return (min_heap[0] - max_heap[0]) / 2