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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 fixture = ComputeFixtures(new List<string> {"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L"});
  10.  
  11. 		fixture.ForEach(Console.WriteLine);		
  12. 	}
  13.  
  14. 	public static List<Round> ComputeFixtures(List<string> listTeam)
  15. 	{
  16. 		var result = new List<Round>();
  17.  
  18. 		var numberOfRounds = (listTeam.Count - 1);
  19. 		var numberOfMatchesInARound = listTeam.Count / 2;
  20.  
  21. 		var teams = new List<string>();
  22.  
  23. 		teams.AddRange(listTeam.Skip(numberOfMatchesInARound).Take(numberOfMatchesInARound));
  24. 		teams.AddRange(listTeam.Skip(1).Take(numberOfMatchesInARound - 1).ToArray().Reverse());
  25.  
  26. 		var numberOfTeams = teams.Count;
  27.  
  28. 		for (var roundNumber = 0; roundNumber < numberOfRounds; roundNumber++)
  29. 		{
  30. 			var round = new Round();
  31. 			var teamIdx = roundNumber % numberOfTeams;
  32.  
  33. 			round.Matches.Add(new Match(teams[teamIdx], listTeam[0]));
  34.  
  35. 			for (var idx = 1; idx < numberOfMatchesInARound; idx++)
  36. 			{
  37. 				var firstTeamIndex = (roundNumber + idx) % numberOfTeams;
  38. 				var secondTeamIndex = (roundNumber + numberOfTeams - idx) % numberOfTeams;
  39.  
  40. 				round.Matches.Add(new Match(teams[firstTeamIndex], teams[secondTeamIndex]));
  41. 			}
  42.  
  43. 			result.Add(round);
  44. 		}
  45.  
  46. 		return result;
  47. 	}
  48. }
  49.  
  50. public class Match
  51. {
  52. 	public string Team1 { get; set; }
  53. 	public string Team2 { get; set; }
  54.  
  55. 	public Match(string team1, string team2)
  56. 	{
  57. 		Team1 = team1;
  58. 		Team2 = team2;
  59. 	}
  60.  
  61. 	public override string ToString()
  62. 	{
  63. 		return string.Format("{0} vs {1}", Team1, Team2);
  64. 	}
  65. }
  66.  
  67. public class Round
  68. {
  69. 	public List<Match> Matches { get; private set; }
  70.  
  71. 	public Round()
  72. 	{
  73. 		Matches = new List<Match>();
  74. 	}
  75.  
  76. 	public override string ToString()
  77. 	{
  78. 		return String.Join(Environment.NewLine, 
  79. 			Matches.Select(m => m.ToString()).ToArray())
  80. 			+ Environment.NewLine;
  81. 	}
  82. }
Success #stdin #stdout 0.04s 37000KB
comments (?)
stdin 
Standard input is empty
stdout 
G vs A
H vs B
I vs C
J vs D
K vs E
L vs F

H vs A
I vs G
J vs B
K vs C
L vs D
F vs E

I vs A
J vs H
K vs G
L vs B
F vs C
E vs D

J vs A
K vs I
L vs H
F vs G
E vs B
D vs C

K vs A
L vs J
F vs I
E vs H
D vs G
C vs B

L vs A
F vs K
E vs J
D vs I
C vs H
B vs G

F vs A
E vs L
D vs K
C vs J
B vs I
G vs H

E vs A
D vs F
C vs L
B vs K
G vs J
H vs I

D vs A
C vs E
B vs F
G vs L
H vs K
I vs J

C vs A
B vs D
G vs E
H vs F
I vs L
J vs K

B vs A
G vs C
H vs D
I vs E
J vs F
K vs L
https://ideone.com/peIAI
language:
C# (gmcs 5.20.1)
created:
13 years ago
visibility:
public

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