C语言洗牌与发牌游戏

普通版

#include<stdio.h>
#include<stdlib.h>
#include<time.h>

#define SUITS 4
#define FACES 13
#define CARDS 52

void shuffle(int wDeck[][FACES]);
void send(int wDeck[][FACES], const char* wSuit[], const char* wFace[]);

void main()
{
	int deck[SUITS][FACES]={0};
	const char* suit[SUITS]={"Heart","Diamond","Club","Spade"};
	const char* face[FACES]={"Ace","Two","Three","Four","Five","Six","Seven","Eight","Nine","Ten","Jack","Queen","King"};
	
	srand(time(NULL));
	shuffle(deck);
	send(deck, suit, face);
}

void shuffle(int wDeck[][FACES])
{
	int row,column,card;

	for(card=1;card<=CARDS;card++)
	{
		row = rand() % SUITS;
		column = rand() % FACES;
		while(wDeck[row][column] != 0)
		{
			row = rand() % SUITS;
			column = rand() % FACES;
		}
		wDeck[row][column] = card;
	}
}

void send(int wDeck[][FACES], const char* wSuit[], const char* wFace[])
{
	int card,row,column;
	for(card=1;card<=CARDS;card++)
	{
		for(row=0;row<SUITS;row++)
		{
			for(column=0;column<FACES;column++)
			{
				if(wDeck[row][column] == card)
				{
					printf("%5s of %-8s%c",wFace[column],wSuit[row], card % 2 ==0 ? '\n' : '\t');
				}
			}
		}
	}
}

高性能版

//先按顺序填满52个格子，再产生随机格子相互交换

#include<stdio.h>
#include<stdlib.h>
#include<time.h>

#define CARDS 52
#define FACES 13

struct card
{
	const char* face;
	const char* suit;
};
typedef struct card Card;

void shuffle(Card *const wDeck);
void send(const Card *const wDeck);//指针常量与数据常量均不可以改变，都用const限定，*前是限定指针，*后是限定数据

void main()
{
	const char* wSuit[]={"Heart","Diamond","Club","Spade"};//指针数组是一个数组
	const char* wFace[]={"Ace","Two","Three","Four","Five","Six","Seven","Eight","Nine","Ten","Jack","Queen","King"};
	int i;
	Card deck[CARDS];
	for(i=0;i<CARDS;i++)
	{
		deck[i].suit = wSuit[i / FACES];
		deck[i].face = wFace[i % FACES];
	}
	
	srand(time(NULL));
	shuffle(deck);
	send(deck);
}

void shuffle(Card *const wDeck)
{
	int i,j;
	Card temp;
	for(i=0;i<CARDS;i++)
	{
		j = rand() % CARDS;
		temp = wDeck[i];
		wDeck[i] = wDeck[j];
		wDeck[j] = temp;
	}
}

void send(const  Card *const wDeck)
{
	int i;
	for(i=0;i<CARDS;i++)
	{
		printf("%5s of %-8s%c",wDeck[i].face,wDeck[i].suit, (i+1) % 4 == 0 ? '\n' : '\t');
	}
}