Python 官方文档:入门教程 => 点击学习
def sortList(alist): alen = len(alist) if alen == 0: return alist if alen > 0: aitem = alist[a
def sortList(alist):
alen = len(alist)
if alen == 0:
return alist
if alen > 0:
aitem = alist[alen / 2]
aleftlist = []
arightlist = []
for i in range(0,alen):
afirstitem = alist[i]
if i <> alen / 2:
if afirstitem > aitem:
arightlist.append(afirstitem)
else:
aleftlist.append(afirstitem)
aleftlist = sortList(aleftlist)
arightlist = sortList(arightlist)
aleftlist.append(aitem)
return aleftlist + arightlist
alist = [0,1,2]
print(sortList(alist))
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本文标题: python实现快速排序
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