PHP兑现各种排序
PHP实现各种排序
<?php /** * 各种排序 * @author zhaojaingwei * @since 2011/11/21 16:14 * */ $list = array(3,5,1,2,10,8,15,19,20); //快排 function fast(&$list, $low, $high){ if($high - $low > 5){ while($low $temp){ $high --; } $list[$low] = $list[$high]; while($low 0; $i --){ swap($list, $i, 0); heapfy($list, 0, $i - 1); } } //创建堆 function buildHeap(&$list){ for($i = (count($list) - 2)/2; $i >= 0; $i --){ heapfy($list, $i, count($list) - 1); } } //维护堆 function heapfy(&$list, $low, $high){ $temp = $list[$low]; for($i = ($low * 2 + 1); $i = 1){ for($i = $code; $i = 0 && $list[$j] > $temp; $j -= $code){ $list[$j + $code] = $list[$j]; $a ++; } $list[$j + $code] = $temp; } } $code = $code/3; } echo $a; } //直接插入排序 function insert(&$list){ $a = 0; for($i = 1; $i $temp; $j --){ $a ++; $list[$j + 1] = $list[$j]; } $list[$j + 1] = $temp; } } echo $a; } //简单选择排序 function select(&$list){ $a = 0; for($i = 0; $i = $i; $j --){ $a ++; if($list[$j] > $list[$j + 1]){ $swap = TRUE; swap($list, $j, $j + 1); } } } echo $a; } //移动或交换函数 function swap(&$list, $i, $j){ $temp = $list[$i]; $list[$i] = $list[$j]; $list[$j] = $temp; } ?>

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The temp folder is our temporary file storage location. The system will save temporary files to this folder. If there are too many temporary files, especially when the temp folder is on the system disk, it is likely to affect the system running speed. We can solve the problem by changing the temp location. Let’s take a look below. Tutorial on changing the location of win7temp 1. First, right-click "Computer" and open "Properties" 2. Click "Advanced System Settings" on the left 3. Click "Environment Variables" below 4. Select "temp" and click "Edit" 5. Then change Just change the "Variable Value" to the path that needs to be changed.

In computers, temp means "temporary folder", which contains many temporary files; its function is to temporarily save the user's work results in the application to prevent losses caused by accidents. Deleting temp files can free up hard disk storage space, but it will be slower to open the application for the first time after deletion.
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Most of the devices, such as laptops and desktops, have been heavily used by young gamers and coders for a long time. The system sometimes hangs due to application overload. This forces users to shut down their systems. This mainly happens to players who install and play heavy games. When the system tries to boot after force shutdown, it throws an error on a black screen as shown below: Below are the warnings detected during this boot. These can be viewed in the settings on the event log page. Warning: Processor thermal trip. Press any key to continue. ..These types of warning messages are always thrown when the processor temperature of a desktop or laptop exceeds its threshold temperature. Listed below are the reasons why this happens on Windows systems. Many heavy applications are in
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Windows system allows users to install various types of applications on your system using executable/setup files. Recently, many Windows users have started complaining that they are receiving an error named INTERNALERROR:cannotCreateTemporaryDirectory on their systems while trying to install any application using an executable file. The problem is not limited to this but also prevents the users from launching any existing applications, which are also installed on the Windows system. Some possible reasons are listed below. Run the executable to install without granting administrator privileges. An invalid or different path was provided for the TMP variable. damaged system

List operation //Insert a value from the head of the list. $ret=$redis->lPush('city','guangzhou');//Insert a value from the end of the list. $ret=$redis->rPush('city','guangzhou');//Get the elements in the specified range of the list. 0 represents the first element of the list, -1 represents the last element, and -2 represents the penultimate element. $ret=$redis->l

temp is a temporary folder. In the path "C:\Documents and Settings\Administrator\Local Settings\", many temporary files are placed here, including favorites, temporary files for browsing web pages, editing files, etc.

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