add FlyingDrones2D solution

Author: jakovmitrovski

easy200/FlyingDrones2D.java

@@ -0,0 +1,19 @@
+package easy200;
+
+public class FlyingDrones2D {
+
+    public int Manh(int x1, int y1, int x2, int y2) {
+        return (Math.abs(x1 - x2) + Math.abs(y1 - y2)) / 2 + (Math.abs(x1 - x2) + Math.abs(y1 - y2)) % 2;
+    }
+
+    public int findMinTime(int[] positions_x, int[] positions_y) {
+
+        int dist = 0;
+
+        for (int i = 0; i < positions_x.length; i++)
+            for (int j = 0; j < positions_x.length; j++)
+                dist = Math.max(dist, Manh(positions_x[i], positions_y[i], positions_x[j], positions_y[j]));
+
+        return dist;
+    }
+}