Water collected between towers: Difference between revisions

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@@ Line 330: / Line 330: @@
         if (args.Length > 0) Console.Write("{0}", blk);
         Console.WriteLine("Block {0} retains {1,2} water units.\n", i + 1,
-            (blk.Replace(lf, "").Replace("██", "").Replace("  ", "")).Length / 2);
+            (blk.Length - blk.Replace("≈≈", "").Length) / 2);
     }
 }