Added solution

Author: avidLearnerInProgress

count_negative_in_2d.cpp

@@ -0,0 +1,18 @@
+class Solution {
+public:
+    int countNegatives(vector<vector<int>>& grid) {
+     
+        if(grid.size() == 0) return 0;
+        int cn = 0;
+        
+        for(int i=grid.size()-1; i>=0; i--){
+            for(int j=grid[i].size()-1; j>=0; j--){
+                if(grid[i][j] < 0)
+                    cn++;
+                if(grid[i][j] >= 0)
+                    break;
+            }
+        }
+        return cn;
+    }
+};