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  1. using System;
  2.  
  3. namespace ConsoleApp10
  4. {
  5.     class Program
  6.     {
  7.         static void Main()
  8.         {
  9.  
  10.             for (int i=0; i<100; i++)
  11.             {
  12.                 string s = Console.ReadLine();
  13.                 string[] tab = s.Split(' ');
  14.  
  15.  
  16.                 int wynik = 0;
  17.                 string a = (tab[0]);
  18.                 int b = int.Parse(tab[1]);
  19.                 int c = int.Parse(tab[2]);
  20.  
  21.                 switch (a)
  22.                 {
  23.                     case "+":
  24.                         wynik = b + c;
  25.                         Console.WriteLine(wynik);
  26.                         break;
  27.  
  28.                     case "-":
  29.                         wynik = b - c;
  30.                         Console.WriteLine(wynik);
  31.                         break;
  32.  
  33.                     case "*":
  34.                         wynik = b * c;
  35.                         Console.WriteLine(wynik);
  36.                         break;
  37.  
  38.                     case "/":
  39.                         wynik = b / c;
  40.                         Console.WriteLine(wynik);
  41.                         break;
  42.  
  43.                     case "%":
  44.                         wynik = b % c;
  45.                         Console.WriteLine(wynik);
  46.                         break;
  47.  
  48.                     default:
  49.                         break;
  50.  
  51.                 }
  52.  
  53.             }
  54.  
  55.  
  56.         }
  57.  
  58.     }
  59. }
  60.  
Runtime error #stdin #stdout #stderr 0.03s 22724KB
comments (?)
stdin
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+ 7 9
- 0 4
* 5 6
/ 8 3
% 5 2
stdout
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16
-4
30
2
1
stderr
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Unhandled Exception:
System.NullReferenceException: Object reference not set to an instance of an object
  at ConsoleApp10.Program.Main () [0x0000d] in <ca4588d9247b45068fea5ac488f93f94>:0 
[ERROR] FATAL UNHANDLED EXCEPTION: System.NullReferenceException: Object reference not set to an instance of an object
  at ConsoleApp10.Program.Main () [0x0000d] in <ca4588d9247b45068fea5ac488f93f94>:0
https://ideone.com/5v7ysb
language:
C# (gmcs 5.20.1)
created:
2 years ago
visibility:
public

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