LeetCode-34-Search for a Range Python实现lower_bound
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手写 lower_bound
class Solution(object): def searchRange(self, nums, target): """ :type nums: List[int] :type target: int :rtype: List[int] """ Len=len(nums) if Len==0:return [-1,-1] l=0 r=Len-1 while l<r: m=(l+r)/2 if nums[m]<target: l=m+1 else : r=m if nums[r]!=target: return [-1,-1] ansl=r ansr=r while r<Len: if nums[r]==target: ansr=r r+=1 else:break return [ansl,ansr]
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