LookAndSay的代码

跳至

<?php
function lookandsay($s)
{
	$r = &#39;&#39;;
	$m = $s{0};
	$n = 1;
	for($i=1, $j = strlen($s); $i<$j; $i++){
		if($s{$i} == $m) {
			$n++;
		} else {
			$r .= $n . $m;
			$m = $s{$i};
			$n = 1;
		}
	}
	return $r . $n . $m;
}
for ($i=0, $s=1; $i<10; $i++){
	$s = lookandsay($s);
	echo $s . &#39;
&#39;;
}

2. [代码][PHP]代码

最后的结果:
1
11
21
1211
111221
312211
13112221
1113213211
31131211131221
13211311123113112211