Description https://leetcode.com/problems/count-negative-numbers-in-a-sorted-matrix/ Given a m x n matrix grid which is sorted in non-increasing order both row-wise and column-wise, return the number of negative numbers in grid. Example…

Description https://leetcode.com/problems/find-numbers-with-even-number-of-digits/ Given an array nums of integers, return how many of them contain an even number of digits. Example 1: Input: nums =…