Created
March 8, 2013 18:29
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program triInsertion; | |
const MAX = 20; | |
var t : array[1..MAX] of integer; | |
var nb : integer; | |
type tableau = array[1..MAX] of integer; | |
{On recherche où placer l'élément sur l'intervalle [1..borneSup]} | |
function obtenirIndiceDInsertion (t : tableau; borneSup, lEntier : integer) : integer; | |
var i : integer; | |
begin | |
i := 1; | |
while ((lEntier > t[i]) AND (i < borneSup)) do | |
i := i + 1; | |
obtenirIndiceDInsertion := i; | |
end; | |
{On décale les entiers vers la droite du tableau. À gauche de la borne inf, le tableau est trié} | |
procedure decaler (var t : tableau; borneInf, borneSup : integer); | |
var i : integer; | |
begin | |
for i := borneSup downto (borneInf + 1) do | |
t[i] := t[i-1]; | |
end; | |
procedure afficherTab (t : tableau; nb : integer); | |
var i : integer; | |
begin | |
for i := 1 to nb do | |
writeln(t[i]); | |
end; | |
procedure triParInsertion (var t : tableau; nb : integer); | |
var i, j, temp : integer; | |
begin | |
for i := 2 to nb do | |
begin | |
j := obtenirIndiceDInsertion(t, i, t[i]); | |
temp := t[i]; | |
decaler(t, j, i); | |
t[j] := temp; | |
end; | |
end; | |
{Programme principal, testons le tout} | |
begin | |
t[1] := 5; | |
t[2] := 4; | |
t[3] := 3; | |
t[4] := 2; | |
t[5] := 1; | |
t[6] := -5; | |
t[7] := -10; | |
t[8] := 50; | |
nb := 8; | |
triParInsertion(t, nb); | |
afficherTab(t, nb); | |
end. |
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