猴子大王

function king($n,$m){for($i=1;$i<=$n;$i++){$arr[$i] = $i;}$p=0;while(count($arr)>1){foreach($arr as $key=>$value){$p++;if($p==$m){unset($arr[$key]);$p=0;}}}foreach($arr as $key=>$value){return 'king is '.$key;}}echo king(8,3);