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个人简介
a=list(map(int,input().split())) n=len(a) left=0 right=n-1 keven=int(input()) while left<=right : m=(left+right)//2 if keven==a[m]: break elif keven<a[m]: left=m+1 else : right=m-1 if
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最近活动
This person is lazy and didn't join any contests or homework.