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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Diagnostics;
  4.  
  5. public class Test {
  6. 	public static void Main() {
  7. 		var random = new Random();
  8. 		var lista = new List<int>();
  9. 		for (int i = 0; i < 555666777; i++) {
  10. 			lista.Add(random.Next());
  11. 		}
  12. 		zmierzFor(lista);
  13. 		zmierzForeach(lista);
  14. 	}
  15.  
  16. 	public static void zmierzFor(List<int> lista) {
  17. 		long suma = 0;
  18. 		var watch = Stopwatch.StartNew();
  19. 		for (int i = 0; i < lista.Count; i++) {
  20. 			suma += lista[i];
  21. 		}
  22. 		Console.WriteLine(suma);
  23. 		Console.WriteLine(watch.Elapsed);
  24. 	}
  25.  
  26. 	public static void zmierzForeach(List<int> lista) {
  27. 		long suma = 0;
  28. 		var watch = Stopwatch.StartNew();
  29. 		foreach (var e in lista) {
  30. 			suma += e;
  31. 		}
  32. 		Console.WriteLine(suma);
  33. 		Console.WriteLine(watch.Elapsed);
  34. 	}
  35. }
Success #stdin #stdout 11.25s 131776KB
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Standard input is empty
stdout
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20188113685177354
00:00:01.5248161
20188113685177354
00:00:01.6926299
https://ideone.com/DQHd6S
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
public

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