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  1. #include <stdio.h>
  2.  
  3. //********************************************************
  4. // Function: irishLicensePlateValidator
  5. //
  6. // Purpose: Checks the validity of an Irish License Plate
  7. //
  8. // Parameters: year - 2 digit year license was issued
  9. //	       halfYear - half year period car was sold in
  10. //	       county - the irish county the car was
  11. //	                registered
  12. //	       snumber - 1-6 digit sequence number
  13. //
  14. // Returns: int
  15. //********************************************************
  16.  
  17. int irishLicensePlateValidator(int year, int halfYear, char county, int snumber)
  18. {
  19. 	char validCounties[] = {'c', 'C', 'd', 'D', 'g', 'G', 'l', 'L', 't', 'T', 'w', 'W'}; // array of valid county abbreviations
  20.  
  21. 	int i; // loop index
  22.  
  23. 	// varying conditions that test validity:
  24. 	//   - if any of the conditions are met, the code stops and returns a 0 to indicate the plate is not valid
  25. 	//   - if none of the conditions are meet, the code goes all the way through and returns a 1 to indicate the plate is valid
  26.  
  27. 	// check to see if the year is between 13 and 24
  28. 	if (year < 13 || year > 24)
  29. 	{
  30. 	    return 0;
  31. 	}
  32.  
  33. 	// check to see if the half-year period is 1
  34. 	// if not, check to see if it is 2
  35. 	if (halfYear != 1)
  36. 	{
  37. 	    if (halfYear != 2)
  38. 	    {
  39. 		return 0;
  40. 	    }
  41. 	}
  42.  
  43. 	// A loop to check the character vs the validCounties array
  44.         // Alternatively, you could also do this with a series
  45.         // of checks within a switch statement as well
  46. 	for (i = 0; i < 12; ++i)
  47. 	{
  48. 	    if (validCounties[i] == county)
  49. 	    {
  50. 	        break;
  51. 	    }
  52. 	}
  53.  
  54.         // if all country codes were checked, and nothing matched
  55.         // the country code would be 12 at this point, and would
  56.         // indicate that the country code is invalid
  57.         if (i == 12)
  58. 	{
  59. 	    return 0;
  60. 	}
  61.  
  62. 	// since the maximum is 6 digits, the number cannot be higher than 999999
  63. 	// and can't be less than zero as well.  1 is the lowest number
  64. 	if (snumber <= 0 || snumber > 999999)
  65. 	{
  66. 	    return 0;
  67. 	}
  68.  
  69. 	// if the compiler makes it all the way here, the plate must be valid and 
  70.         // therefore returns TRUE (which is a value of 1)
  71. 	return 1;
  72.  
  73. } //irishLicensePlateValidator
  74.  
  75.  
  76. int main(void) {
  77. 	// your code goes here
  78. 	return 0;
  79. }
  80.  
Success #stdin #stdout 0s 5284KB
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https://ideone.com/C8DDhT
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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