复制代码 代码如下:
$val) {
$end = $middle - 1 ;
} elseif ($arrdata[$middle] $start = $middle + 1;
}
}
return -1;
}
// 测试一下二分法查找
$arrdata = array(1,2,3,4,5,7,8,9,11,23,56,100,104,578,1000);
echo binary_search($arrdata,578),
;
echo binary_search($arrdata,66),
;
http://www.bkjia.com/phpjc/325529.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/325529.htmltecharticle复制代码 代码如下: ?php /** * 查找 * **/ // 顺序查找 function normal_search($arrdata,$val) { $len = count($arrdata); if($len == 0) return -1; for($i = 0;$i $len; $i++...