#
# 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
#
# 
# @param nums int整型一维数组 
# @param target int整型 
# @return int整型
#
class Solution:
    def search(self , nums: List[int], target: int) -> int:
        # write code here
        if len(nums)==0:
            return -1
        height=len(nums)-1
        left=0
        while left<=height:
            mid=(height+left)//2
            if nums[mid]==target:
                return mid
            elif nums[mid]>target:
                height=mid-1
            else:
                left=mid+1
        else:
            return -1