fork(1) download
copy 
  1. <?php
  2. $a = 7; // Всего человек
  3. $b = 4; // Слогов в считалочке
  4.  
  5. for($i = 1; $i <= $a; $i++)
  6. {
  7.  $c[$i] = $i;
  8. }
  9.  
  10. for($i = 0, $j = 1; $i < 100; $i++, $j++)
  11. {
  12.  $h = key($c);
  13.  //echo $h.'<br>';
  14.  next($c);
  15.  if($j == $b)
  16.  {	 
  17.   unset($c[$h]);
  18.   $j = 0;
  19.  }
  20.  if(count($c) <= 3)
  21.   break;
  22.  if(!key($c))
  23.   reset($c);
  24. }
  25.  
  26. echo '<pre>';
  27. print_r($c);
  28. echo '</pre>';
  29. ?>
Success #stdin #stdout 0.02s 23492KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
<pre>Array
(
    [2] => 2
    [3] => 3
    [7] => 7
)
</pre>
https://ideone.com/ygXoIg
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!