题解 | #二分查找-I#

#
# 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
        left = 0
        right = len(nums) - 1

        while left <= right:
            mid = left + (right - left) // 2
            print(mid)
            if nums[mid] < target:
                left = mid + 1

            elif nums[mid] > target:
                right = mid - 1

            # print(left,right)
            else:
                return mid
        return -1