php – りゅうのメモ

汚いソースですが…
$lsts = array(
	array( 0, 1, 2, 3, 4, 5, 6, 7, 8),
	array( 9,10,11,12,13,14,15,16,17),
	array(18,19,20,21,22,23,24,25,26),
	array(27,28,29,30,31,32,33,34,35),
	array(36,37,38,39,40,41,42,43,44),
	array(45,46,47,48,49,50,51,52,53),
	array(54,55,56,57,58,59,60,61,62),
	array(63,64,65,66,67,68,69,70,71),
	array(72,73,74,75,76,77,78,79,80),

	array( 0, 9,18,27,36,45,54,63,72),
	array( 1,10,19,28,37,46,55,64,73),
	array( 2,11,20,29,38,47,56,65,74),
	array( 3,12,21,30,39,48,57,66,75),
	array( 4,13,22,31,40,49,58,67,76),
	array( 5,14,23,32,41,50,59,68,77),
	array( 6,15,24,33,42,51,60,69,78),
	array( 7,16,25,34,43,52,61,70,79),
	array( 8,17,26,35,44,53,62,71,80),

	array( 0, 1, 2, 9,10,11,18,19,20),
	array( 3, 4, 5,12,13,14,21,22,23),
	array( 6, 7, 8,15,16,17,24,25,26),
	array(27,28,29,36,37,38,45,46,47),
	array(30,31,32,39,40,41,48,49,50),
	array(33,34,35,42,43,44,51,52,53),
	array(54,55,56,63,64,65,72,73,74),
	array(57,58,59,66,67,68,75,76,77),
	array(60,61,62,69,70,71,78,79,80)
);

$rst = array();
$rst['flag'] = true;

// $target = array(
// 	0,0,0, 0,0,0, 0,0,0,
// 	0,1,2, 0,0,0, 0,9,0, 
// 	7,0,0, 9,0,0, 2,1,0,

// 	0,0,0, 6,0,3, 0,8,0,
// 	0,0,8, 0,0,5, 0,2,0,
// 	0,3,0, 0,7,2, 1,6,5,

// 	4,0,0, 0,0,0, 0,3,0,
// 	8,6,1, 2,0,0, 0,7,0,
// 	0,0,0, 0,0,0, 0,0,0
// );

$target = $_POST['lists'];

$tinx = array();
for ($i = 0; $i < count($target); $i++)
{
	if ($target[$i] == 0)
	{
		$tinx [] = $i;
	}
}

$i = 0;
$flag = false;
while(true)
{
	do
	{
		$target[$tinx[$i]]++;

		if ($target[$tinx[$i]] > 9)
		{
			$target[$tinx[$i]] = 0;
			$i--;
			$flag = true;
			break;
		}
	}
	while (check_duplicate($lsts, $target) == false);

	if ($flag == true)
	{
		$flag = false;
		continue;
	}

	$i++;

	if ($i < 0)
	{
		$rst['flag'] = false;
		break;
	}
	else if ($i >= count($tinx))
	{
		break;
	}
}

$rst['lists'] = $target;

echo json_encode($rst);

function check_duplicate($lsts, $tgt)
{
	foreach($lsts as $lst)
	{
		$arr = array();
		foreach($lst as $key)
		{
			if ($tgt[$key] != 0)
				$arr[] = $tgt[$key];
		}

		if (count($arr) > 1)
		{
			$value_count = array_count_values($arr);
			if (max($value_count) > 1)
			{
				// echo var_dump($lst);
				return false;
			}
		}
	}
	return true;
}
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