php 二分查找算法
二分查找算法function bin_sch($array, $low, $high, $k){ if ($low <= $high){ $m本@文来源gao($daima.com搞@代@#码(网5搞gaodaima代码id = intval(($low+$high)/2); if ($array[$mid] == $k){ return $mid; }elseif ($k < $array[$mid]){ return bin_sch($array, $low, $mid-1, $k); }else{ return bin_sch($array, $mid+1, $high, $k); } } return -1;}