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  1. <?php
  2.  
  3. error_reporting(-1);
  4.  
  5. $bills = [500, 100];
  6. $totalBills = [5, 5, 5, 5];
  7. $rndCombination = [1, 5, 5, 5];
  8.  
  9. krsort($rndCombination);
  10. print_r($rndCombination);
  11.  
  12. function nextCombination($total, $combination){
  13. 	if($total == $combination){
  14. 		return 'Максимальная комбинация.';
  15. 	}
  16. 	krsort($combination);
  17. 	foreach($combination as $key => &$value){
  18. 		if($value < $total[$key]){
  19. 			$value++;
  20. 			break;
  21. 		}
  22. 		else{
  23. 			$value = 0;
  24. 			if($combination[$key-1] < $total[$key-1]){
  25. 				$combination[$key-1]++;	
  26. 			}
  27. 			else{
  28. 				$combination[$key-1] = 0;
  29. 				$combination[$key-2]++;	
  30. 			}
  31. 			break;
  32. 		}
  33. 	}
  34. 	ksort($combination);
  35. 	return $combination;
  36. }
  37.  
  38. print_r(nextCombination($totalBills, $rndCombination));
Success #stdin #stdout 0.02s 25864KB
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stdin
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Standard input is empty
stdout
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Array
(
    [3] => 5
    [2] => 5
    [1] => 5
    [0] => 1
)
Array
(
    [0] => 1
    [1] => 6
    [2] => 0
    [3] => 0
)
https://ideone.com/cflqKZ
language:
PHP (php 7.3.5)
created:
3 years ago
visibility:
secret

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