class Solution {
public:
    int countNegatives(vector<vector<int>>& grid) {
        int res = 0;
        for(int i=0; i <grid.size(); i++)
        {
            for(int j= 0; j < grid[0].size(); j++)
            {
                if(grid[i][j] < 0)
                {
                    res++;
                }
            }
        }
        return res;
    }
};