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  1. <?php
  2. function florg ($n, $elems) {
  3. 	if ($n > 0) {
  4. 	  $tmp_set = array();
  5. 	  $res = florg($n-1, $elems);
  6.       foreach ($res as $ce) {
  7.           foreach ($elems as $e) {
  8.              array_push($tmp_set, $ce . $e);
  9.           }
  10.        }
  11. 	   return $tmp_set;
  12. 	}
  13. 	else {
  14. 		return array('');
  15. 	}
  16. }
  17. $elems = array('A','B','C');
  18. $v = FlOrG(3, $elems);
  19. foreach($v as $child) {
  20.    print $child . "\n";
  21. }
  22.  
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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AAA
AAB
AAC
ABA
ABB
ABC
ACA
ACB
ACC
BAA
BAB
BAC
BBA
BBB
BBC
BCA
BCB
BCC
CAA
CAB
CAC
CBA
CBB
CBC
CCA
CCB
CCC
https://ideone.com/R6Tgni
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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