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  1.     class Program {
  2.  
  3.         static void Main(string[] args) {
  4.             var text = "1, 5, 5, 5, 4, 4, 5";
  5.             var prev = "";
  6.             var cnt = 0;
  7.             foreach (var s in text.Split(',')) {
  8.                 var x = s.Trim();
  9.                 if (x != prev) cnt++;
  10.                 prev = x;
  11.                 }
  12.             System.Console.WriteLine(cnt);
  13.             }
  14.         }
Success #stdin #stdout 0.04s 36944KB
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4
https://ideone.com/bM7yX
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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