retour du récursif
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108
Grille.php
108
Grille.php
@ -3,16 +3,16 @@
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include_once "dico.php";
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function melanger_cles($tableau) {
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uksort($tableau, function($a, $b) {
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function melanger_cles($tableau)
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{
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uksort($tableau, function ($a, $b) {
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return mt_rand(-1, 1);
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});
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return $tableau;
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}
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class Grille
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{
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class Grille implements ArrayAccess {
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public $grille;
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public $hauteur;
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public $largeur;
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@ -20,6 +20,7 @@ class Grille
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private $lettres_suivantes;
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private $positions;
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private $nb_positions;
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private $mots_utilises;
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public function __construct($hauteur, $largeur, $id = "")
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{
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@ -51,7 +52,9 @@ class Grille
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}
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$this->nb_positions = count($this->positions);
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$this->grilles = $this->generateur($id);
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mt_srand($id == "" ? null : crc32($id));
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$this->mots_utilises = [];
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$this->grilles = $this->generateur();
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}
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public function get_ligne($y, $largeur)
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@ -72,30 +75,30 @@ class Grille
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return $colonne;
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}
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public function generateur($id = "")
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public function generateur($i = 0)
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{
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mt_srand($id == ""? null : crc32($id));
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$mots_utilises = [];
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$pile = [];
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$lettres_communes = melanger_cles(array_intersect_key(
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$this->lettres_suivantes[$this->largeur],
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$this->lettres_suivantes[$this->hauteur]
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));
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foreach ($lettres_communes as $lettre => $_) {
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$pile[] = [0, $lettre];
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if ($i == $this->nb_positions) {
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yield $this;
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return;
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}
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while (!empty($pile)) {
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[$i, $lettre] = array_pop($pile);
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[$x, $y] = $this->positions[$i];
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$this->grille[$y][$x] = $lettre;
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[$x, $y] = $this->positions[$i];
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if ($i == $this->nb_positions - 1) {
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yield $this;
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continue;
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}
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$lettres_suivantes_ligne = $this->lettres_suivantes[$this->largeur];
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for ($x2 = 0; $x2 < $x; $x2++) {
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$lettres_suivantes_ligne = $lettres_suivantes_ligne[$this->grille[$y][$x2]];
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}
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$lettres_suivantes_colonne = $this->lettres_suivantes[$this->hauteur];
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for ($y2 = 0; $y2 < $y; $y2++) {
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$lettres_suivantes_colonne = $lettres_suivantes_colonne[$this->grille[$y2][$x]];
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}
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$lettres_communes = melanger_cles(array_intersect_key(
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$lettres_suivantes_ligne,
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$lettres_suivantes_colonne
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));
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foreach ($lettres_communes as $lettre => $_) {
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$this->grille[$y][$x] = $lettre;
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if ($x == $this->largeur - 1) {
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$mots_utilises[$y] = $this->get_ligne($y, $x);
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@ -108,28 +111,23 @@ class Grille
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}
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}
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$i++;
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[$x, $y] = $this->positions[$i];
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$lettres_suivantes_ligne = $this->lettres_suivantes[$this->largeur];
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for ($x2 = 0; $x2 < $x; $x2++) {
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$lettres_suivantes_ligne = $lettres_suivantes_ligne[$this->grille[$y][$x2]];
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}
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$lettres_suivantes_colonne = $this->lettres_suivantes[$this->hauteur];
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for ($y2 = 0; $y2 < $y; $y2++) {
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$lettres_suivantes_colonne = $lettres_suivantes_colonne[$this->grille[$y2][$x]];
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}
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$lettres_communes = melanger_cles(array_intersect_key(
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$lettres_suivantes_ligne,
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$lettres_suivantes_colonne
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));
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foreach ($lettres_communes as $lettre => $_) {
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$pile[] = [$i, $lettre, $lettres_suivantes_ligne[$lettre]];
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if ($i < $this->nb_positions) {
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yield from $this->generateur($i + 1);
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} else {
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yield $this;
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}
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}
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}
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public function hash()
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{
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$string = "";
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foreach ($this->grille as $ligne) {
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$string .= implode("", $ligne);
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}
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return hash('sha256', $string);
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}
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public function current()
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{
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return $this->grilles->current();
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@ -139,13 +137,21 @@ class Grille
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{
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return $this->grilles->valid();
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}
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public function hash()
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{
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$string = "";
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foreach ($this->grille as $ligne) {
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$string .= implode("", $ligne);
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}
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return hash('sha256', $string);
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public function offsetExists(mixed $offset): bool {
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return isset($this->grille[$offset]);
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}
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public function offsetGet(mixed $offset): mixed {
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return $this->grille[$offset];
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}
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public function offsetSet(mixed $offset, mixed $value): void {
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$this->grille[$offset] = $value;
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}
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public function offsetUnset(mixed $offset): void {
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unset($this->grille[$offset]);
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}
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}
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