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Update 数据流中的中位数.py #16

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Update 数据流中的中位数.py #16

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16 changes: 12 additions & 4 deletions Target Offer/数据流中的中位数.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,15 +16,15 @@ def Insert(self, num):
self.right.append(num)
self.count += 1

def GetMedian(self, x):
def GetMedian(self):
if self.count == 1:
return self.left[0]
self.MaxHeap(self.left)
self.MinHeap(self.right)
if self.left[0] > self.right[0]:
while self.left[0] > self.right[0]:
self.left[0], self.right[0] = self.right[0], self.left[0]
self.MaxHeap(self.left)
self.MinHeap(self.right)
self.MaxHeap(self.left)
self.MinHeap(self.right)
if self.count & 1 == 0:
return (self.left[0] + self.right[0])/2.0
else:
Expand Down Expand Up @@ -66,3 +66,11 @@ def MinHeap(self, alist):
alist[k] = alist[index]
k = index
alist[k] = temp

s = Solution()
l = [4, 7, 0, 9, 1, 5, 3, 3, 2, 6]
s.MaxHeap(l)
print(l)
for i in range(1,10):
s.Insert(i)
s.GetMedian()