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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int blackJackValue (char card1, char card2) {
  5. 	card1 = toupper(card1); 
  6. 	card2 = toupper(card2); 
  7.  
  8. 	int card1_value, card2_value; 
  9.  
  10. 	switch (card1) {
  11. 		case '2':
  12. 			card1_value = 2; 
  13. 			break;
  14. 		case '3': 
  15. 			card1_value = 3; 
  16. 			break;
  17. 		case '4': 
  18. 			card1_value = 4; 
  19. 			break;
  20. 		case '5': 
  21. 			card1_value = 5; 
  22. 			break; 
  23. 		case '6': 
  24. 			card1_value = 6; 
  25. 			break; 
  26. 		case '7': 
  27. 			card1_value = 7; 
  28. 			break;
  29. 		case '8': 
  30. 			card1_value = 8; 
  31. 			break;
  32. 		case '9': 
  33. 			card1_value = 9; 
  34. 			break; 
  35. 		case 'T': case 'J': case 'Q': case 'K': 
  36. 			card1_value = 10; 
  37. 			break; 
  38. 		case 'A': 
  39. 			card1_value = 11; 
  40. 			break; 
  41. 		default: 
  42. 			printf("*** Invalid input: %c\n", card1); 
  43. 			return -1; 
  44. 	}
  45.  
  46. 	switch (card2) {
  47. 		case '2':
  48. 			card2_value = 2; 
  49. 			break;
  50. 		case '3': 
  51. 			card2_value = 3; 
  52. 			break;
  53. 		case '4': 
  54. 			card2_value = 4; 
  55. 			break;
  56. 		case '5': 
  57. 			card2_value = 5; 
  58. 			break; 
  59. 		case '6': 
  60. 			card2_value = 6; 
  61. 			break; 
  62. 		case '7': 
  63. 			card2_value = 7; 
  64. 			break;
  65. 		case '8': 
  66. 			card2_value = 8; 
  67. 			break;
  68. 		case '9': 
  69. 			card2_value = 9; 
  70. 			break; 
  71. 		case 'T': case 'J': case 'Q': case 'K': 
  72. 			card2_value = 10; 
  73. 			break; 
  74. 		case 'A': 
  75. 			card2_value = 11; 
  76. 			break; 
  77. 		default: 
  78. 			printf("*** Invalid input: %c\n", card2); 
  79. 			return -1; 
  80. 	}
  81.  
  82. 	if (card1 == 'A' && card2 == 'A')
  83. 		return 12; 
  84. 	else
  85. 		return card1_value + card2_value; 
  86. }
  87. int main() {
  88. 	char c1, c2;
  89.     printf("Enter cards: ");
  90.     if (scanf(" %c %c", &c1, &c2) == 2) {
  91.         int score = blackJackValue(c1, c2);
  92.         if (score != -1) {
  93.             printf("The score is %d\n", score);
  94.         }
  95.     } else {
  96.         printf("*** Invalid input format\n");
  97.     }
  98.     return 0;
  99. }
Success #stdin #stdout 0.01s 5320KB
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Z #
stdout
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Enter cards: *** Invalid input: Z
https://ideone.com/YjZQnM
Final Q3
language:
C++ (gcc 8.3)
created:
227 days ago
visibility:
public

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