nouvel algoritme plus rapide
This commit is contained in:
149
Grille0.php
Normal file
149
Grille0.php
Normal file
@ -0,0 +1,149 @@
|
||||
<?php
|
||||
|
||||
include_once "dico.php";
|
||||
|
||||
|
||||
class Grille {
|
||||
public $grille;
|
||||
public $hauteur;
|
||||
public $largeur;
|
||||
private $grilles;
|
||||
private $debuts;
|
||||
private $mots_utilises = [];
|
||||
|
||||
public function __construct($hauteur, $largeur, $id="") {
|
||||
$this->hauteur = $hauteur;
|
||||
$this->largeur = $largeur;
|
||||
$this->grille = array_fill(0, $hauteur, array_fill(0, $largeur, '.'));
|
||||
|
||||
if ($id == "") {
|
||||
mt_srand();
|
||||
} else {
|
||||
mt_srand(crc32($id));
|
||||
}
|
||||
$this->debuts = [];
|
||||
foreach ($hauteur == $largeur? [$hauteur]: [$hauteur, $largeur] as $longueur) {
|
||||
$this->debuts[$longueur] = [];
|
||||
foreach(mots_espaces($longueur) as $mot) {
|
||||
for ($i = 0; $i <= $longueur; $i++) {
|
||||
$debut = substr($mot, 0, $i);
|
||||
if (!isset($this->debuts[$longueur][$debut])) {
|
||||
$this->debuts[$longueur][$debut] = [];
|
||||
}
|
||||
$this->debuts[$longueur][$debut][] = $mot;
|
||||
}
|
||||
}
|
||||
}
|
||||
mt_srand();
|
||||
|
||||
$this->grilles = $this->generateur();
|
||||
}
|
||||
|
||||
public function get_ligne($y, $largeur) {
|
||||
$ligne = "";
|
||||
for ($x = 0; $x < $largeur; $x++) {
|
||||
$ligne .= $this->grille[$y][$x];
|
||||
}
|
||||
return $ligne;
|
||||
}
|
||||
|
||||
public function set_ligne($y, $mot) {
|
||||
for ($i = 0; $i < strlen($mot); $i++) {
|
||||
$this->grille[$y][$i] = $mot[$i];
|
||||
}
|
||||
}
|
||||
|
||||
public function get_colonne($x, $hauteur) {
|
||||
$colonne = "";
|
||||
for ($y = 0; $y < $hauteur; $y++) {
|
||||
$colonne .= $this->grille[$y][$x];
|
||||
}
|
||||
return $colonne;
|
||||
}
|
||||
|
||||
public function set_colonne($x, $mot) {
|
||||
for ($i = 0; $i < strlen($mot); $i++) {
|
||||
$this->grille[$i][$x] = $mot[$i];
|
||||
}
|
||||
}
|
||||
|
||||
public function generateur() {
|
||||
yield from $this->trouve_une_ligne(0);
|
||||
$this->grille = array_fill(0, $this->hauteur, array_fill(0, $this->largeur, ' '));
|
||||
}
|
||||
|
||||
private function trouve_une_ligne($y) {
|
||||
global $mots_de_n_lettres;
|
||||
$largeur = min($y, $this->largeur);
|
||||
$hauteur = min($y + 1, $this->hauteur);
|
||||
foreach ($this->debuts[$this->largeur][$this->get_ligne($y, $largeur)] as $mot_lig) {
|
||||
$this->set_ligne($y, $mot_lig);
|
||||
$ok = true;
|
||||
for ($x = $y; $x < $this->largeur; $x++) {
|
||||
if (!isset($this->debuts[$this->hauteur][$this->get_colonne($x, $hauteur)])) {
|
||||
$ok = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!$ok) {
|
||||
continue;
|
||||
}
|
||||
$this->mots_utilises[$mot_lig] = true;
|
||||
if ($y < $this->largeur) {
|
||||
yield from $this->trouve_une_colonne($y);
|
||||
} else if ($y + 1 < $this->hauteur) {
|
||||
yield from $this->trouve_une_ligne($y + 1);
|
||||
} else {
|
||||
yield $this;
|
||||
}
|
||||
unset($this->mots_utilises[$mot_lig]);
|
||||
}
|
||||
}
|
||||
|
||||
private function trouve_une_colonne($x) {
|
||||
global $mots_de_n_lettres;
|
||||
$hauteur = min($x + 1, $this->hauteur);
|
||||
$largeur = min($x + 1, $this->largeur);
|
||||
foreach ($this->debuts[$this->hauteur][$this->get_colonne($x, $hauteur)] as $mot_col) {
|
||||
if (isset($this->mots_utilises[$mot_col])) {
|
||||
continue;
|
||||
}
|
||||
$this->set_colonne($x, $mot_col);
|
||||
$ok = true;
|
||||
for ($y = $x; $y < $this->hauteur; $y++) {
|
||||
if (!isset($this->debuts[$this->largeur][$this->get_ligne($y, $largeur)])) {
|
||||
$ok = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!$ok) {
|
||||
continue;
|
||||
}
|
||||
$this->mots_utilises[$mot_col] = true;
|
||||
if ($x +1 < $this->hauteur) {
|
||||
yield from $this->trouve_une_ligne($x + 1);
|
||||
} else if ($x + 1 < $this->largeur) {
|
||||
yield from $this->trouve_une_colonne($x + 1);
|
||||
} else {
|
||||
yield $this;
|
||||
}
|
||||
unset($this->mots_utilises[$mot_col]);
|
||||
}
|
||||
}
|
||||
|
||||
public function current() {
|
||||
return $this->grilles->current();
|
||||
}
|
||||
|
||||
public function valid() {
|
||||
return $this->grilles->valid();
|
||||
}
|
||||
|
||||
public function hash() {
|
||||
$string = "";
|
||||
foreach ($this->grille as $ligne) {
|
||||
$string .= implode("", $ligne);
|
||||
}
|
||||
return hash('sha256', $string);
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user