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  1. <?php
  2. error_reporting(-1);
  3. $amount=54500;
  4. /*запас наличных*/
  5. $bills=array(
  6. 	100=>23,
  7. 	500=>5,
  8. 	1000=>13,
  9. 	5000=>9
  10. 	);
  11. 	$bills=array_reverse($bills, true);
  12. 	var_dump($bills);
  13. $fivek=floor($amount/5000);
  14.  
  15. if($fivek>$bills[5000]){
  16. 	$fivek=$bills[5000];
  17. }
  18. $rest=$amount-($fivek*5000);
  19. $onek=floor($rest/1000);
  20. if($onek>$bills[1000]){
  21. 	$onek=$bills[1000];
  22. }
  23. $rest=$rest-($onek*1000);
  24. $fiveh=floor($rest/500);
  25. if($fiveh>$bills[500]){
  26. 	$fiveh=$bills[500];
  27. }
  28. $rest=$rest-($fiveh*500);
  29. $oneh=floor($rest/100);
  30. if($oneh>$bills[100]){
  31. 	$oneh=$bills[100];
  32. }
  33. $rest=$rest-($oneh*100);
  34.  
  35.  if($rest==0){
  36.     echo "сумма $amount\n выданно купюр:\n $fivek x 5000 $onek x 1000 $fiveh x 500 $oneh x 100";
  37.       }
  38.       else{
  39.       	echo "Сумма $amount Выдача невозможна";
  40.       }
  41.  
Success #stdin #stdout 0.01s 20568KB
comments (?)
stdin 
Standard input is empty
stdout 
array(4) {
  [5000]=>
  int(9)
  [1000]=>
  int(13)
  [500]=>
  int(5)
  [100]=>
  int(23)
}
сумма 54500
 выданно купюр:
 9 x 5000 9 x 1000 1 x 500 0 x 100
https://ideone.com/MFUDGS
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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