task completed!

Classes/TimeConverter.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -9,7 +9,40 @@ public class TimeConverter : ITimeConverter
     {
         public string convertTime(string aTime)
         {
-            throw new NotImplementedException();
+            string[] times = aTime.Split(':');
+            int hours = int.Parse(times[0]);
+            int minutes = int.Parse(times[1]);
+            int seconds = int.Parse(times[2]);
+
+            var clock = seconds % 2 == 0 ? "Y" : "O";
+
+            // First row
+            int _5hours = hours / 5;
+            clock += Environment.NewLine +
+                new string('R', _5hours) + new string('O', 4 - _5hours);
+
+            // Second row
+            int _1hours = hours % 5;
+            clock += Environment.NewLine +
+                new string('R', _1hours) + new string('O', 4 - _1hours);
+
+            // Third row
+            int _5minutes = minutes / 5;
+
+            StringBuilder _3rdRow = new StringBuilder(
+                new string('Y', _5minutes) + 
+                new string('O', 11 - _5minutes));
+            _3rdRow[2] = _3rdRow[2] == 'Y' ? 'R' : _3rdRow[2];
+            _3rdRow[5] = _3rdRow[5] == 'Y' ? 'R' : _3rdRow[5];
+            _3rdRow[8] = _3rdRow[8] == 'Y' ? 'R' : _3rdRow[8];
+            clock += Environment.NewLine + _3rdRow;
+
+            // Fourth row
+            int _1minutes = minutes % 5;
+            clock += Environment.NewLine +
+                new string('Y', _1minutes) + new string('O', 4 - _1minutes);
+
+            return clock;
         }
     }
 }