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PHP写杨辉三角实例代码_PHP

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Release： 2016-06-01 12:14:59
Original
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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']);
?>

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杨辉三角
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