public static void Test02a()
{
PartitionSet ps = new PartitionSet(3);
// add partitions of number 3 manually
Partition p;
p = new Partition(new int[] { 3 });
ps.Insert(p);
p = new Partition(new int[] { 1, 2 });
ps.Insert(p);
p = new Partition(new int[] { 1, 1, 1 });
ps.Insert(p);
Console.WriteLine(ps);
}
public static void Test02b()
{
PartitionSet ps = new PartitionSet(3);
// add partitions of number 3 manually
// (note order of 'Insert' calls)
Partition p;
p = new Partition(new int[] { 1, 1, 1 });
ps.Insert(p);
p = new Partition(new int[] { 2, 1 });
ps.Insert(p);
p = new Partition(new int[] { 3 });
ps.Insert(p);
ps.SortDescending(); // sorting partitions
Console.WriteLine(ps);
}
public static void Test05()
{
PartitionSet ps = new PartitionSet(2);
// add partitions of number 2 manually
Partition p;
p = new Partition(new int[] { 2 });
ps.Insert(p);
p = new Partition(new int[] { 1, 1 });
ps.Insert(p);
Console.WriteLine("Partitions of {0}:", ps.Number);
for (int i = 0; i < ps.Count; i++)
{
p = ps[i];
Console.WriteLine(p);
}
}
public static PartitionSet Calculate(int number)
{
PartitionSet result = new PartitionSet(number);
if (number == 1)
{
Partition p = new Partition(new int[] { 1 });
result.Insert(p);
}
else
{
PartitionSet setMinusOne = Calculate(number - 1);
for (int i = 0; i < setMinusOne.Count; i++)
{
int[] numbers = setMinusOne[i].Numbers;
for (int j = 0; j < numbers.Length; j++)
{
numbers[j]++;
Partition p = new Partition(numbers);
result.Insert(p);
numbers[j]--;
}
}
// create missing partition (just consisting of '1's)
int[] partitionOnes = new int[number];
for (int k = 0; k < partitionOnes.Length; k++)
{
partitionOnes[k] = 1;
}
Partition pOnes = new Partition(partitionOnes);
result.Insert(pOnes);
}
return(result);
}
