You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
1.1 KiB
36 lines
1.1 KiB
namespace WhiteRabbit
|
|
{
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
|
|
internal static class PrecomputedPermutationsGenerator
|
|
{
|
|
private static PermutationsGenerator.Permutation[][] Permutations { get; } = new[]
|
|
{
|
|
GeneratePermutations(0),
|
|
GeneratePermutations(1),
|
|
GeneratePermutations(2),
|
|
GeneratePermutations(3),
|
|
GeneratePermutations(4),
|
|
GeneratePermutations(5),
|
|
GeneratePermutations(6),
|
|
GeneratePermutations(7),
|
|
};
|
|
|
|
public static PermutationsGenerator.Permutation[] HamiltonianPermutations(int n)
|
|
{
|
|
return Permutations[n];
|
|
}
|
|
|
|
private static PermutationsGenerator.Permutation[] GeneratePermutations(int n)
|
|
{
|
|
var result = PermutationsGenerator.HamiltonianPermutations(n).ToArray();
|
|
if (result.Length % Constants.PhrasesPerSet == 0)
|
|
{
|
|
return result;
|
|
}
|
|
|
|
return result.Concat(Enumerable.Repeat(result[0], Constants.PhrasesPerSet - (result.Length % Constants.PhrasesPerSet))).ToArray();
|
|
}
|
|
}
|
|
}
|
|
|