0176_Problem_1.cs

// code_report Solution
// Problem Link (Contest):  https://leetcode.com/contest/weekly-contest-176/problems/count-negative-numbers-in-a-sorted-matrix/
// Problem Link (Practice): https://leetcode.com/problems/count-negative-numbers-in-a-sorted-matrix/
// Video Link:              https://youtu.be/pDbDtGn1PXk

public int CountNegatives(int[][] grid) {
    return grid.SelectMany(x => x)
               .Count(x => x < 0);
}