如何在 PHP 中随机填充单个锦标赛淘汰赛而不重复？

Posted 2023-02-19

【中文标题】如何在 PHP 中随机填充单个锦标赛淘汰赛而不重复？

【英文标题】：How to populate a single tournament elimination randomly in PHP without repeat?

【发布时间】：2015-09-02 23:11:37

【问题描述】：

如果我有这个：

$players = array("A","B","C","D","E","F","G","H","I","J","L","M","N","O","P","Q");

例如，我如何填充单个锦标赛淘汰赛：

Matche 1: AxL
Matche 2: CxJ
Matche 3: HxQ
.
.
.
Matche 8: ExP

16 名玩家 = 8 场比赛

我也试试这个代码和其他代码：

<?php

$players = array("A","B","C","D","E","F","G","H","I","J","L","M","N","O","P","Q");
shuffle ($players);

foreach($players as $key=>$value)

    echo $value.','.$value.'<br>';


?>

【问题讨论】：

这不是一个代码编写服务，但如果你尝试编写一些东西，你可能会在这里找到一些帮助。

shuffle 播放器数组并分配给他们 0x1,2x3...

分享你的代码，到目前为止你尝试了什么？

$value) echo $value.','.$value.''; ?>

我试过了，但是很多代码都不能正常工作

【参考方案1】：

这应该适合你：

只需 shuffle() 您的数组，然后将 array_chunk() 分成 2 个一组，例如

<?php

    $players = ["A","B","C","D","E","F","G","H","I","J","L","M","N","O","P","Q"];
    shuffle($players);
    $players = array_chunk($players, 2);

    foreach($players as $match => $player)
        echo "Match " . ($match+1) . ": " . $player[0] . "x" . $player[1] . "<br>";

?>

【讨论】：

如何使用：array(8) [0]=> object(stdClass)#4 (2) ["idPlayer"]=> string(1) "7" ["namePlayer "]=> string(8) "玩家 3" [1]=> object(stdClass)#5 (2)

@DoXuanNguyen 预期的输出是什么？

【参考方案2】：

使用suffle函数随机排列玩家的顺序，以2步读取数组

shuffle($players);

for ($x = 0; $x < count($players); $x += 2) 
  echo "Match " . (($x/2)+1) . ": " . $players[$x] . "x" . $players[$x+1] . "\n";