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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5. using System.Threading.Tasks;
  6.  
  7. namespace ConsoleApp9
  8. {
  9.     class Program
  10.     {
  11.         static void Main(string[] args)
  12.         {
  13.             int s = 0;
  14.             while (s < 10000)
  15.             {
  16.                 string input = Console.ReadLine();
  17.                 string[] html = input?.Split('<', '>');
  18.                 //Console.WriteLine(html[2]);
  19.  
  20.  
  21.                 string result = string.Empty;
  22.                 int i = 0;
  23.                 foreach (string word in html)
  24.                 {
  25.                     if (!String.IsNullOrWhiteSpace(word))
  26.                     {
  27.                         if (i % 2 != 0)
  28.                         {
  29.                             result += '<';
  30.                             result += word.ToUpper();
  31.                             result += '>';
  32.                         }
  33.                         else
  34.                         {
  35.                             result += word;
  36.                         }
  37.                     }
  38.                     i++;
  39.                 }
  40.  
  41.                 Console.WriteLine(result?.ToString());
  42.                 s++;
  43.             }
  44.  
  45.         } 
  46.  
  47.  
  48.  
  49.  
  50.     }
  51. }
  52.  
Runtime error #stdin #stdout #stderr 0.01s 134848KB
comments (?)
stdin
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<html>
<head>
<TITLE>To jest tytul</Title>
</head>
<body>
<b>Cos tam</b>
</body>
</html>
stdout
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<HTML>
<HEAD>
<TITLE>To jest tytul</TITLE>
</HEAD>
<BODY>
<B>Cos tam</B>
</BODY>
</HTML>
stderr
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Unhandled Exception:
System.NullReferenceException: Object reference not set to an instance of an object
  at ConsoleApp9.Program.Main (System.String[] args) [0x000a1] in <189fd33e60db4c45bf91a6dfca0689f7>:0 
[ERROR] FATAL UNHANDLED EXCEPTION: System.NullReferenceException: Object reference not set to an instance of an object
  at ConsoleApp9.Program.Main (System.String[] args) [0x000a1] in <189fd33e60db4c45bf91a6dfca0689f7>:0
https://ideone.com/3aAXlE
language:
C# (gmcs 5.20.1)
created:
5 years ago
visibility:
public

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