EPAM Systems Java Developer interview questions

You are given an m x n integer matrix matrix with the following two properties Each row is sorted in non-decreasing order. The first integer of each row is greater than the last integer of the previous Given an integer target, return true if target is in matrix or false otherwise You must write a solution in O(log(m * n)) time complexity. Input: matrix = [ 11,3, 5, 7], [10,11,16,20], [23,30,34,60]], target =3 Output: true

Two was coding question at the time of interview, asked on java, C++ and Python