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Number reversal game: Difference between revisions
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You won in 14 turns.</pre>
=={{header|PHP}}==
<lang PHP>class ReversalGame {
private $numbers;
public function __construct() {
$this->initialize();
}
public function play() {
$i = 0;
$moveCount = 0;
while (true) {
echo json_encode($this->numbers) . "\n";
echo "Please enter an index to reverse from 2 to 9. Enter 99 to quit\n";
$i = intval(rtrim(fgets(STDIN), "\n"));
if ($i == 99) {
break;
}
if ($i < 2 || $i > 9) {
echo "Invalid input\n";
} else {
$moveCount++;
$this->reverse($i);
if ($this->isSorted()) {
echo "Congratulations you solved this in $moveCount moves!\n";
break;
}
}
}
}
private function reverse($position) {
array_splice($this->numbers, 0, $position, array_reverse(array_slice($this->numbers, 0, $position)));
}
private function isSorted() {
for ($i = 0; $i < count($this->numbers) - 1; ++$i) {
if ($this->numbers[$i] > $this->numbers[$i + 1]) {
return false;
}
}
return true;
}
private function initialize() {
$this->numbers = range(1, 9);
while ($this->isSorted()) {
shuffle($this->numbers);
}
}
}
$game = new ReversalGame();
$game->play();
</lang>
=={{header|PicoLisp}}==
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