Write Yang Hui triangle example code in PHP_PHP tutorial

Copy code The code is as follows:

//Yang Hui Triangle
for ($i=6; $i >= 0;$i--)
{
for ($j=$i;$j <= 6;$j++)
{
if ($j < = 6-1)
{
echo "a";
}else
{
echo "
";
}
}
}
?>

PHP printing Yang Hui triangle customization

Copy code The code is as follows:

Enter the order of Yang Hui's triangle: < ;input type="text" name="givenlines" size="5">


function yanghui($line)
{
echo "";
for($i=1;$i<=$line; $i++)
{
echo "";
for($j=1;$j<=$i;$j++)
{
$yh[$i ][1]=1;
if ($i==$j) $yh[$i][$j]=1;
else $yh[$i][$j]=$yh[ $i-1][$j-1]+$yh[$i-1][$j];
echo "";
}
echo "";
}
echo "

";
echo $yh[$i][$j];
echo "

";
}
if($_POST['submit']) yanghui($_POST['givenlines']);
?>

http://www.bkjia.com/PHPjc/323807.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/323807.htmlTechArticleCopy the code code as follows: ?php //Yang Hui Triangle for ($i=6;$i = 0;$ i--) { for ($j=$i;$j = 6;$j++) { if ($j = 6-1) { echo "ba/b"; }else { echo "br /"; } } } ? PHP print Yang Hui triangle custom...