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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <time.h>
  4.  
  5. #define CARDS 52
  6. #define DRAW 5
  7.  
  8. void showcard(int card);
  9.  
  10. int main() {
  11.     int deck[CARDS];
  12.     int c;
  13.  
  14. /* initialize the deck */
  15.     for (int x = 0; x < CARDS; x++) deck[x] = 0;
  16.     srand((unsigned)time(NULL));
  17.     for (int x = 0; x < DRAW; x++) {
  18.         for(;;) {                 /* loop until a valid card is drawn */
  19.             c = rand() % CARDS;     /* generate random drawn */
  20.             if(deck[c] == 0) {       /* has card been drawn? */
  21.                 deck[c] = 1;        /* show that card is drawn */
  22.                 showcard(c);        /* display card */
  23.                 break;              /* end the loop */
  24.             }
  25.         }                       /* repeat loop until valid card found */
  26.     }
  27. }
  28.  
  29. void showcard(int card) {
  30.     char *suit[4] = { "Spades", "Hearts", "Clubs", "Diamonds" };
  31.     switch (card % 13) {
  32.         case 0:
  33.             printf("%2s","A");
  34.             break;
  35.         case 10:
  36.             printf("%2s","J");
  37.             break;
  38.         case 11:
  39.             printf("%2s","Q");
  40.             break;
  41.         case 12:
  42.             printf("%2s","K");
  43.             break;
  44.         default:
  45.             printf("%2d",card%13+1);
  46.     }
  47.     printf(" of %s\n",suit[card/13]);
  48. }
  49.  
  50. //https://pt.stackoverflow.com/q/41829/101
Success #stdin #stdout 0s 9424KB
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stdin
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Standard input is empty
stdout
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 3 of Diamonds
 3 of Clubs
 A of Hearts
 5 of Clubs
10 of Hearts
https://ideone.com/qb8XYr
language:
C99 (gcc 8.3)
created:
5 years ago
visibility:
public

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