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  1. // Description: Calculates the total value in euros of a jar
  2. //              containing various euro coins.
  3. //
  4. // Euro coin denominations:
  5. //   2 euro, 1 euro,
  6. //   50 cent, 20 cent, 10 cent, 5 cent, 2 cent, 1 cent
  7. //
  8. //**************************************************************
  9.  
  10. #include <stdio.h>
  11.  
  12. // Conversion constants (all values in euro cents)
  13. #define TWO_EURO       200
  14. #define ONE_EURO       100
  15. #define FIFTY_CENT      50
  16. #define TWENTY_CENT     20
  17. #define TEN_CENT        10
  18. #define FIVE_CENT        5
  19. #define TWO_CENT         2
  20. #define ONE_CENT         1
  21.  
  22. #define CENTS_PER_EURO 100.0  // used to convert cents to euros
  23.  
  24. //**************************************************************
  25. // Function: calcEuros
  26. //
  27. // Purpose: Calculates the total value in euros given the count
  28. //          of each euro coin denomination in a jar.
  29. //
  30. // Parameters:
  31. //
  32. //   twoEuro    - number of 2 euro coins
  33. //   oneEuro    - number of 1 euro coins
  34. //   fiftyCent  - number of 50 euro cent coins
  35. //   twentyCent - number of 20 euro cent coins
  36. //   tenCent    - number of 10 euro cent coins
  37. //   fiveCent   - number of 5 euro cent coins
  38. //   twoCent    - number of 2 euro cent coins
  39. //   oneCent    - number of 1 euro cent coins
  40. //
  41. // Returns:
  42. //
  43. //   totalEuros - the total value of all coins in euros (float)
  44. //
  45. //**************************************************************
  46.  
  47. float calcEuros (int twoEuro,   int oneEuro,
  48.                  int fiftyCent, int twentyCent,
  49.                  int tenCent,   int fiveCent,
  50.                  int twoCent,   int oneCent)
  51. {
  52.     int totalCents; // running total in euro cents
  53.  
  54.     // sum up the value of all coins in euro cents
  55.     totalCents = (twoEuro    * TWO_EURO)    +
  56.                  (oneEuro    * ONE_EURO)    +
  57.                  (fiftyCent  * FIFTY_CENT)  +
  58.                  (twentyCent * TWENTY_CENT) +
  59.                  (tenCent    * TEN_CENT)    +
  60.                  (fiveCent   * FIVE_CENT)   +
  61.                  (twoCent    * TWO_CENT)    +
  62.                  (oneCent    * ONE_CENT);
  63.  
  64.     // convert cents to euros and return
  65.     return (totalCents / CENTS_PER_EURO);
  66.  
  67. } // calcEuros
  68.  
  69.  
  70. // main function to test calcEuros
  71. int main ()
  72. {
  73.     // coin counts for the test case
  74.     int twoEuro    = 5;
  75.     int oneEuro    = 2;
  76.     int fiftyCent  = 2;
  77.     int twentyCent = 5;
  78.     int tenCent    = 15;
  79.     int fiveCent   = 0;
  80.     int twoCent    = 0;
  81.     int oneCent    = 2;
  82.  
  83.     float totalEuros; // result from calcEuros
  84.  
  85.     // call the function to calculate total euros
  86.     totalEuros = calcEuros(twoEuro, oneEuro,
  87.                            fiftyCent, twentyCent,
  88.                            tenCent, fiveCent,
  89.                            twoCent, oneCent);
  90.  
  91.     // print the coin counts
  92.     printf("\n--- Coins in the Jar ---\n");
  93.     printf("  2 Euro coins    : %d\n", twoEuro);
  94.     printf("  1 Euro coins    : %d\n", oneEuro);
  95.     printf(" 50 Cent coins    : %d\n", fiftyCent);
  96.     printf(" 20 Cent coins    : %d\n", twentyCent);
  97.     printf(" 10 Cent coins    : %d\n", tenCent);
  98.     printf("  5 Cent coins    : %d\n", fiveCent);
  99.     printf("  2 Cent coins    : %d\n", twoCent);
  100.     printf("  1 Cent coins    : %d\n", oneCent);
  101.  
  102.     // print the result
  103.     printf("\nTotal Value: %.2f Euros\n", totalEuros);
  104.  
  105.     return 0;
  106.  
  107. } // main
  108.  
Success #stdin #stdout 0s 5320KB
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stdin
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2 euro, 1 euro, 50 cent, 20 cent, 10 cent, 5 cent, 2 cent, 1 cent
stdout
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--- Coins in the Jar ---
  2 Euro coins    : 5
  1 Euro coins    : 2
 50 Cent coins    : 2
 20 Cent coins    : 5
 10 Cent coins    : 15
  5 Cent coins    : 0
  2 Cent coins    : 0
  1 Cent coins    : 2

Total Value: 15.52 Euros
https://ideone.com/AsXxL4
language:
C++ (gcc 8.3)
created:
20 hours ago
visibility:
public

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