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冒泡排序与数组交集php做法

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WBOYOriginal
2016-06-13 10:03:401021browse

冒泡排序-php教程版本-交换排序法

$a=array('11','2','13','4','22');
$num = count($a);
for($i=0;$i     for($j=0;$j         if($a[$i]             $temp = $a[$i];
            $a[$i]=$a[$j];
            $a[$j]=$temp;
        }
    }   
}
print_r($a);

归并排序-数组交集-php版

$a=array('1','2','3','4','22');
$b=array('1','3','4','11','22','23');
f($a, $b, 5, 6, $t);
print_r($t);
function f(&$a, &$b, $n, $m, &$t){
    $i=0;$j=0;
    while($i        
        if($a[$i]==$b[$j]){
            echo $a[$i]." ";//交集
            $t[]=$a[$i++];
            $t[]=$b[$j++];
        }elseif($a[$i]>$b[$j]){
             $t[]=$b[$j++];

        }else{
            $t[]=$a[$i++];

        }
       
    }
    while($i          $t[]=$a[$i++];
    }
   
     while($j          $t[]=$b[$j++];
    }
   
}

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