发牌

// 一个模拟发牌的程序。
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define NUM_SUITS  4
#define NUM_RANKS  13
#define TRUE   1
#define FALSE  0

typedef int Bool;

main()
{
	Bool in_hand[NUM_SUITS][NUM_RANKS] = {0};
	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'};
	const char suit_code[] = {'T', 'X', 'M', 'F'};
	srand((unsigned) time(NULL));

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

	printf("Your hand: ");
	while (num_cards > 0)
	{
		// picks a random suit
		suit = rand() % NUM_SUITS;
		// picks a random rank
		rank = rand() % NUM_RANKS;
		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;
}