PHP列印楊輝三角圖文教程
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發布: 2016-07-25 09:12:58
PHP列印楊輝三角圖文教程如图所示:
![PHP列印楊輝三角圖文教程](http://img.it-home.org/data/attachment/forum/2014pic/20140408084231979.png)
用php编程生成任意行杨辉三角。
-
-
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 $yh[$i][$j];
- echo "
| ";
- }
- echo "
";
- }
- echo "
";
- }
复制代码
|
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