RosettaCodeData/Task/Stem-and-leaf-plot/Ada/stem-and-leaf-plot.ada

41 lines
1.3 KiB
Ada

with Ada.Text_IO; use Ada.Text_IO;
with Ada.Integer_Text_IO; use Ada.Integer_Text_IO;
with Gnat.Heap_Sort_G;
procedure stemleaf is
data : array(Natural Range <>) of Integer := (
0,12,127,28,42,39,113, 42,18,44,118,44,37,113,124,37,48,127,36,29,31,
125,139,131,115,105,132,104,123,35,113,122,42,117,119,58,109,23,105,
63,27,44,105,99,41,128,121,116,125,32,61,37,127,29,113,121,58,114,126,
53,114,96,25,109,7,31,141,46,13,27,43,117,116,27,7,68,40,31,115,124,42,
128,52,71,118,117,38,27,106,33,117,116,111,40,119,47,105,57,122,109,
124,115,43,120,43,27,27,18,28,48,125,107,114,34,133,45,120, 30,127,
31,116,146); -- Position 0 is used for storage during sorting, initialized as 0
procedure Move (from, to : in Natural) is
begin data(to) := data(from);
end Move;
function Cmp (p1, p2 : Natural) return Boolean is
begin return data(p1)<data(p2);
end Cmp;
package Sorty is new GNAT.Heap_Sort_G(Move,Cmp);
min,max,p,stemw: Integer;
begin
Sorty.Sort(data'Last);
min := data(1);
max := data(data'Last);
stemw := Integer'Image(max)'Length;
p := 1;
for stem in min/10..max/10 loop
put(stem,Width=>stemw); put(" |");
Leaf_Loop:
while data(p)/10=stem loop
put(" "); put(data(p) mod 10,Width=>1);
exit Leaf_loop when p=data'Last;
p := p+1;
end loop Leaf_Loop;
new_line;
end loop;
end stemleaf;