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  1. <?php
  2.  
  3. error_reporting(-1);
  4. mb_internal_encoding('utf-8');
  5.  
  6. $originalamount = 3500;
  7.  
  8.  
  9. $amount = $originalamount; //теперь работаю с amount
  10. $bills = [
  11.     100 => 5,
  12.     500 => 15,
  13.     1000 => 30,
  14.     5000 => 2,
  15. ];
  16.  
  17. /* проверяю, есть ли вообще банкноты */
  18. if ($bills[5000] == 0 and $bills[1000] == 0 and $bills[500] == 0 and $bills[100] == 0) {
  19.     echo "Sorry, we are currently not able to give any money due to total lack of bank notes.\n\n";
  20.     exit();
  21. }
  22.  
  23. /* проверяю кратность 100 */
  24. if ($amount%100 !== 0) {
  25.     echo "Please, enter the amount of money divisible by 100.\n";
  26.     exit();
  27. }
  28.  
  29. /*боооольшой иф, первая часть - если введена положительная сумма (мало ли) */
  30. if ($amount > 0) {
  31.  
  32.     if ($bills[5000] > 0) {
  33.         if ($bills[5000] >= floor($amount / 5000)) {
  34.             $count5000 = floor($amount / 5000);
  35.         } else {
  36.             $count5000 = $bills[5000];
  37.         }
  38.         echo "5000 x $count5000\n";
  39.         $amount = $amount - $count5000 * 5000;
  40.     } else {
  41.         echo "no 5000 bills in the machine\n";
  42.     }
  43.  
  44.     if ($bills[1000] > 0) {
  45.         if ($bills[1000] >= floor($amount / 1000)) {
  46.             $count1000 = floor($amount / 1000);
  47.         } else {
  48.             $count1000 = $bills[1000];
  49.         }
  50.         echo "1000 x $count1000\n";
  51.         $amount = $amount - $count1000 * 1000;
  52.     } else {
  53.         echo "no 1000 bills in the machine\n";
  54.     }
  55.  
  56.     if ($bills[500] > 0) {
  57.         if ($bills[500] >= floor($amount / 500)) {
  58.             $count500 = floor($amount / 500);
  59.         } else {
  60.             $count500 = $bills[5000];
  61.         }
  62.         echo "500 x $count500\n";
  63.         $amount = $amount - $count500 * 500;
  64.     } else {
  65.         echo "no 500 bills in the machine\n";
  66.     }
  67.  
  68.     if ($bills[100] > 0) {
  69.         if ($bills[100] >= floor($amount / 100)) {
  70.             $count500 = floor($amount / 100);
  71.         } else {
  72.             $count500 = $bills[100];
  73.         }
  74.         echo "100 x $count500\n";
  75.         $amount = $amount - $count500 * 100;
  76.     } else {
  77.         echo "no 100 bills in the machine\n";
  78.     }
  79.  
  80. /* вторая часть, если не введено ничего*/
  81. } elseif ($amount == 0) {
  82.     echo "Please, enter the amount of money you would like to receive.\n";
  83.  
  84. /* третья часть, если введено абы что */
  85. } else {
  86.     echo "Error. Enter a valid amount of money\n";
  87. }
  88.  
  89. /* теперь проверяю, осталось ли невыданное в amount кол-во денег */
  90. if ($amount > 0) {
  91. 	/* этот случай описывает ситуацию, когда не хватило банкнот для выдачи  */
  92.     if ($amount != $originalamount) {
  93.         echo "\n\nWe are temporarily unable to give you amount of money you asked. If you lowered the amount by {$amount} we would be able execute the operation.\n";
  94.     /* для ситуации, когда запросили 100, а в банкомате только крупные. Ну ты понел */
  95.     } else {
  96.         echo "\n\nWe are temporarily unable to give you amount of money you asked. Come later.\n";
  97.     }
  98. }
  99.  
Success #stdin #stdout 0.02s 52472KB
comments (?)
stdin
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Standard input is empty
stdout
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5000 x 0
1000 x 3
500 x 1
100 x 0
https://ideone.com/HGT26l
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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