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  1. using System;
  2. using System.Linq;
  3. using System.Collections.Generic;
  4.  
  5. class Channel
  6. {
  7.     public String Name { get; set; }
  8.     public TimeSpan Durarion { get; set; }
  9. }
  10.  
  11.  
  12. public class Test
  13. {
  14. 	public static void Main()
  15. 	{
  16. 	var array = new[]{
  17.     "Channel 1, 01:05:36",
  18.     "Channel 2, 02:25:36",
  19.     "Group 1, 22:25:36",
  20.     "Network, 41:40:09",
  21.     "Loss of, 03:21:17",
  22.     "Loss of, 01:13:28",
  23.     "Channel 1, 04:25:36",
  24.     "Channel 2, 00:25:36",
  25. };
  26.  
  27. var channelGroups = array.Select(s =>
  28. {
  29.     var tokens = s.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
  30.     return new Channel()
  31.     {
  32.         Name = tokens[0],
  33.         Durarion = new TimeSpan(
  34.             int.Parse(tokens[1].Split(':')[0]),  // hours
  35.             int.Parse(tokens[1].Split(':')[1]),  // minutes
  36.             int.Parse(tokens[1].Split(':')[2]))  // seconds
  37.     };
  38. })
  39. .GroupBy(c => c.Name)
  40. .Select(g => new
  41. {
  42.     Channel = g.Key,
  43.     Count = g.Count(),
  44.     Average = g.Average(c => c.Durarion.TotalMinutes)
  45. });
  46.  
  47.            foreach(var group in channelGroups)
  48.            {
  49.               Console.WriteLine("Channel:[{0}] Count:[{1}] Average:[{2}]"
  50.                                ,group.Channel,group.Count,group.Average);
  51.            }
  52. 	}
  53. }
Success #stdin #stdout 0.05s 38232KB
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stdout
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Channel:[Channel 1] Count:[2] Average:[165.6]
Channel:[Channel 2] Count:[2] Average:[85.6]
Channel:[Group 1] Count:[1] Average:[1345.6]
Channel:[Network] Count:[1] Average:[2500.15]
Channel:[Loss of] Count:[2] Average:[137.375]
https://ideone.com/6dF6s
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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