Home >php教程 >php手册 >PHP写杨辉三角实例代码

PHP写杨辉三角实例代码

WBOY
WBOYOriginal
2016-06-13 12:07:472257browse

复制代码 代码如下:


//杨辉三角
for ($i=6;$i >= 0;$i--)
{
for ($j=$i;$j {
if ($j {
echo "a";
}else
{
echo "
";
}
}
}
?>


PHP打印杨辉三角自定义

复制代码 代码如下:



输入杨辉三角的阶数:


function yanghui($line)
{
echo "";
for($i=1;$i{
echo "";
for($j=1;$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']);
?>

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn