26 lines
550 B
PHP
26 lines
550 B
PHP
<?php
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/*
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* 输出杨辉三角，居中效果直接用html
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*/
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echo '<p style="text-align: center">';
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$n = 10;
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$data = array();
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for ($k = 0; $k < $n; $k++) {
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$data[$k] = array();
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}
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for ($i = 0; $i < $n; $i++) {
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for ($j = 0; $j <= $i; $j++) {
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if ($i == $j || $j == 0) {
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$data[$i][$j] = 1;
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continue;
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}
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$data[$i][$j] = $data[$i - 1][$j] + $data[$i - 1][$j - 1];
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}
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}
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foreach ($data as $sub_data) {
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foreach ($sub_data as $item) {
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echo $item.' ';
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}
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echo '<br>';
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}
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echo '</p>'; |