From 2f7e2da782af6e2b272ef1a723b55e4ffc52244c Mon Sep 17 00:00:00 2001
From: Serghei Cebotari <serghei@cebotari.ru>
Date: Thu, 7 Dec 2023 21:44:13 +0300
Subject: Refactoring

---
 Codeforces.Test/IOTester.cs | 37 ++++++-------------------------------
 1 file changed, 6 insertions(+), 31 deletions(-)

(limited to 'Codeforces.Test/IOTester.cs')

diff --git a/Codeforces.Test/IOTester.cs b/Codeforces.Test/IOTester.cs
index 68a0ebb..5834108 100644
--- a/Codeforces.Test/IOTester.cs
+++ b/Codeforces.Test/IOTester.cs
@@ -1,11 +1,8 @@
 namespace Codeforces.Test
 {
-    public class IOTester
+	public class IOTester
 	{
-		private static readonly TextReader originalStdIn = Console.In;
 		private static StringReader? stdIn;
-
-		private static readonly TextWriter originalStdOut = Console.Out;
 		private static StringWriter? stdOut;
 
 		public static void Start()
@@ -14,14 +11,6 @@ namespace Codeforces.Test
 			Console.SetOut(stdOut);
 		}
 
-		public static void End()
-		{
-			stdOut = null;
-			stdIn = null;
-			Console.SetOut(originalStdOut);
-			Console.SetIn(originalStdIn);
-		}
-
 		public static void SetInput(params string[] lines)
 		{
 			string input = string.Join(Environment.NewLine, lines);
@@ -29,26 +18,12 @@ namespace Codeforces.Test
 			Console.SetIn(stdIn);
 		}
 
-		public static string GetOutput()
-		{
-			if (stdOut == null)
-			{
-				return string.Empty;
-			}
-			else
-			{
-				return stdOut.ToString();
-			}
-		}
-
-		public static string[] GetOutputLines()
-		{
-			return GetOutput().Split(Environment.NewLine).SkipLast(1).ToArray();
-		}
-
-		public static IList<string> GetOutputLinesAsList()
+		public static IEnumerable<string> GetOutputLines()
 		{
-			return new List<string>(GetOutputLines());
+			return stdOut?.ToString()
+				.Split(Environment.NewLine)
+				.SkipLast(1)
+				?? Enumerable.Empty<string>();
 		}
 	}
 }
\ No newline at end of file
-- 
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