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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4.  
  5. public class Test
  6. {
  7. 	public static void Main()
  8. 	{
  9. 		var list = new[] { 80,81,90,90,90,100,85,86,86,79,95,95,95 };
  10. 		var dupes = new List<int>();
  11. 		for(var i = 2; i < list.Length; i++) {
  12.     		if(list[i] == list[i - 1] && list[i] == list[i - 2])
  13.         		dupes.Add(list[i]);
  14. 		}
  15. 		Console.WriteLine(string.Join(", ", dupes.Select(n => n.ToString()).ToArray()));
  16. 	}
  17. }
Success #stdin #stdout 0.03s 33976KB
comments (?)
stdin
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Standard input is empty
stdout
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90, 95
https://ideone.com/UGwFwq
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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