RosettaCodeData/Task/Ordered-Partitions/Ada/ordered-partitions-3.ada

62 lines
2.3 KiB
Ada

with Ada.Text_IO;
with Partitions;
procedure Main is
package Natural_IO is new Ada.Text_IO.Integer_IO (Natural);
Example_Partitions : Partitions.Partition_Sets.Set;
begin
Ada.Text_IO.Put_Line ("Partitions for (2, 0, 2):");
-- create partition
Example_Partitions := Partitions.Create_Partitions (Args => (2, 0, 2));
-- pretty print the result
declare
use type Partitions.Partition_Sets.Cursor;
Position : Partitions.Partition_Sets.Cursor := Example_Partitions.First;
begin
Ada.Text_IO.Put ('{');
while Position /= Partitions.Partition_Sets.No_Element loop
if Position /= Example_Partitions.First then
Ada.Text_IO.Put (' ');
end if;
declare
Current_Partition : constant Partitions.Partition :=
Partitions.Partition_Sets.Element (Position);
begin
Ada.Text_IO.Put ('(');
for I in Current_Partition'Range loop
Ada.Text_IO.Put ('{');
declare
use type Partitions.Number_Sets.Cursor;
Current_Number : Partitions.Number_Sets.Cursor :=
Current_Partition (I).First;
begin
while Current_Number /= Partitions.Number_Sets.No_Element
loop
Natural_IO.Put
(Item =>
Partitions.Number_Sets.Element (Current_Number),
Width => 1);
Partitions.Number_Sets.Next (Current_Number);
if Current_Number /=
Partitions.Number_Sets.No_Element then
Ada.Text_IO.Put (',');
end if;
end loop;
end;
Ada.Text_IO.Put ('}');
if I /= Current_Partition'Last then
Ada.Text_IO.Put (", ");
end if;
end loop;
end;
Ada.Text_IO.Put (')');
Partitions.Partition_Sets.Next (Position);
if Position /= Partitions.Partition_Sets.No_Element then
Ada.Text_IO.Put (',');
Ada.Text_IO.New_Line;
end if;
end loop;
Ada.Text_IO.Put ('}');
Ada.Text_IO.New_Line;
end;
end Main;