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  1. <?php
  2.  
  3. error_reporting(-1);
  4. mb_internal_encoding('UTF-8');
  5.  
  6. $pupils = 30;
  7. $rhyme = 5;
  8. $presentPupils = range(1, $pupils);
  9.  
  10. for ($i = 1; count($presentPupils) >= $rhyme; ) {
  11.     foreach ($presentPupils as $key => $value) {
  12.         if ($i == $rhyme) {
  13.             unset($presentPupils[$key]);
  14.             $i = 1;
  15.             continue;
  16.         }
  17.         $i++;
  18.     }
  19. }
  20. $winners = implode(', ', $presentPupils);
  21. echo "Выигрышные места: $winners.";
Success #stdin #stdout 0.03s 52480KB
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Выигрышные места: 3, 4, 14, 27.
https://ideone.com/sugCcD
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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