-- coding:utf-8 --

class Solution: # array 二维列表 def Find(self, target, array): # write code here rowCount = len(array) colCount = len(array[0]) i = 0 j = colCount-1

    while rowCount and colCount:
        item = array[i][j]
        if item == target:
            return True
        elif item > target:
            j -= 1
        else:
            i += 1
        if j== -1 or i >= (rowCount):
            return False
    return False