diff --git a/C++/1351:Count Negative Numbers in a Sorted Matrix b/C++/1351:Count Negative Numbers in a Sorted Matrix
new file mode 100644
index 0000000..d04501b
--- /dev/null
+++ b/C++/1351:Count Negative Numbers in a Sorted Matrix	
@@ -0,0 +1,18 @@
+//Time complexity O(m*n)
+
+class Solution 
+{ 
+public:
+    int countNegatives(vector<vector<int>>& grid) 
+    {
+        int count = 0;
+        for(int i=0; i<grid.size(); i++){
+            for(int j=0; j<grid[0].size(); j++)
+            {
+                if( grid[i][j] < 0 ) 
+                    count++;
+            }
+        } 
+        return count;
+    }
+};