UNB/ CS/ David Bremner/ teaching/ old/ cs2023/ king-examples/ deal.c
```/*********************************************************
* From C PROGRAMMING: A MODERN APPROACH, Second Edition *
* By K. N. King                                         *
* Copyright (c) 2008, 1996 W. W. Norton & Company, Inc. *
* This program may be freely distributed for class use, *
* provided that this copyright notice is retained.      *
*********************************************************/

/* deal.c (Chapter 8, page 173) */
/* Deals a random hand of cards */

#include <stdbool.h>   /* C99 only */
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define NUM_SUITS 4
#define NUM_RANKS 13

int main(void)
{
bool in_hand[NUM_SUITS][NUM_RANKS] = {false};
int num_cards, rank, suit;
const char rank_code[] = {'2','3','4','5','6','7','8',
'9','t','j','q','k','a'};
const char suit_code[] = {'c','d','h','s'};

srand((unsigned) time(NULL));

printf("Enter number of cards in hand: ");
scanf("%d", &num_cards);

while (num_cards > 0) {
suit = rand() % NUM_SUITS;     /* picks a random suit */
rank = rand() % NUM_RANKS;     /* picks a random rank */
if (!in_hand[suit][rank]) {
in_hand[suit][rank] = true;
num_cards--;
printf(" %c%c", rank_code[rank], suit_code[suit]);
}
}
printf("\n");

return 0;
}
```