【二分查找-入门-简单】374. 猜数字大小

【题目】

【代码】

class Solution:
    def guessNumber(self, n: int) -> int:
        left,right=1,n
        while left<=right:
            mid=left+(right-left)//2
            temp=guess(mid)
            if temp==0:
                return mid
            elif temp>0:
                left=mid+1
            else:
                right=mid-1
        return left