Create 0176_Problem_1.swift

Author: codereport

Diff for: 0176_Problem_1.swift

@@ -0,0 +1,9 @@
+// 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/
+
+func countNegatives(_ grid: [[Int]]) -> Int {
+    return grid.flatMap{ $0 }
+               .filter{ $0 < 0 }
+               .count
+}