#

# 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 target int整型 
# @param array int整型二维数组 
# @return bool布尔型
#
class Solution:
    def Find(self , target: int, array: List[List[int]]) -> bool:
        # write code here
        col = len(array[0])
        row = len(array)
        cr =0
        for i in range(row):
            left = 0
            right = col -1
            while left <= right:
                mid = left +(right - left)//2
                if array[i][mid] == target:
                    return True
                else:
                    if array[i][mid] > target:
                        right = mid -1
                    if array[i][mid] < target:
                        left = mid +1
        return False