fork download
copy 
  1. #include <stdio.h>
  2.  
  3. /* Prototype so main() can call it */
  4. int irishLicensePlateValidator(int yy, int halfYear, char county, int serial);
  5.  
  6. // **************************************************
  7. // Function: irishLicensePlateValidator
  8. //
  9. // Purpose:
  10. //   Validates Irish license plate components for years 2013–2024
  11. //   using a TWO-DIGIT year code.
  12. //
  13. // Rules:
  14. //   1) Year (yy): must be between 13 and 24.
  15. //   2) Half-year: must be 1 (Jan–Jun) or 2 (Jul–Dec).
  16. //   3) County: must be one of C, D, G, L, T, W (upper or lower case).
  17. //   4) Serial: integer from 1 to 999999 (1–6 digits).
  18. //
  19. // Returns:
  20. //   1 if all values are valid,
  21. //   0 otherwise.
  22. // **************************************************
  23. int irishLicensePlateValidator(int yy, int halfYear, char county, int serial)
  24. {
  25.     /* Check two-digit year: must be 13..24 */
  26.     if (yy < 13 || yy > 24) {
  27.         return 0;
  28.     }
  29.  
  30.     /* Check half-year range */
  31.     if (!(halfYear == 1 || halfYear == 2)) {
  32.         return 0;
  33.     }
  34.  
  35.     /* Convert county to uppercase manually */
  36.     if (county >= 'a' && county <= 'z') {
  37.         county = (char)(county - ('a' - 'A'));
  38.     }
  39.  
  40.     /* Check allowed counties */
  41.     if (!(county == 'C' || county == 'D' || county == 'G' ||
  42.           county == 'L' || county == 'T' || county == 'W')) {
  43.         return 0;
  44.     }
  45.  
  46.     /* Check serial number range */
  47.     if (serial < 1 || serial > 999999) {
  48.         return 0;
  49.     }
  50.  
  51.     /* Everything is valid */
  52.     return 1;
  53. }
  54.  
  55. // **************************************************
  56. // Function: main
  57. //
  58. // Purpose:
  59. //   Read plate components from the user and test the
  60. //   irishLicensePlateValidator function.
  61. // **************************************************
  62. int main(void)
  63. {
  64.     int yy;        /* two-digit year: 13..24 */
  65.     int halfYear;  /* 1 or 2 */
  66.     char county;   /* C/D/G/L/T/W (upper or lower) */
  67.     int serial;    /* 1..999999 */
  68.  
  69.     /* Read two-digit year */
  70.     printf("Enter two-digit year (13..24): ");
  71.     if (scanf("%d", &yy) != 1) {
  72.         printf("INVALID (bad input)\n");
  73.         return 1;
  74.     }
  75.  
  76.     /* Read half-year */
  77.     printf("Enter half-year (1=Jan-Jun, 2=Jul-Dec): ");
  78.     if (scanf("%d", &halfYear) != 1) {
  79.         printf("INVALID (bad input)\n");
  80.         return 1;
  81.     }
  82.  
  83.     /* Read county letter; skip leading whitespace */
  84.     printf("Enter county (C/D/G/L/T/W): ");
  85.     if (scanf(" %c", &county) != 1) {
  86.         printf("INVALID (bad input)\n");
  87.         return 1;
  88.     }
  89.  
  90.     /* Read serial number */
  91.     printf("Enter serial (1..999999): ");
  92.     if (scanf("%d", &serial) != 1) {
  93.         printf("INVALID (bad input)\n");
  94.         return 1;
  95.     }
  96.  
  97.     /* Validate and report */
  98.     if (irishLicensePlateValidator(yy, halfYear, county, serial)) {
  99.         printf("VALID\n");
  100.     } else {
  101.         printf("INVALID\n");
  102.     }
  103.  
  104.     return 0;
  105. }
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
copy 
18
2
C
123456
stdout
copy 
Enter two-digit year (13..24): Enter half-year (1=Jan-Jun, 2=Jul-Dec): Enter county (C/D/G/L/T/W): Enter serial (1..999999): VALID
https://ideone.com/fwNG22
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!