C语言实现随机发扑克牌

void shuffle(int *cards, int lenth)
{
 int temp, i, index;
  
 time_t t；
 srand((unsigned int)(&t)); 
  
 for (i = 0; i < lenth - 1; i++) //保证每一次交换都是和剩下的数进行交换
 {
  index = rand() % (lenth - i) + i;

  if (index != i) 
  {
    temp = cards[i];
    cards[i] = cards[index];
    cards[index] = temp;
  }
 }
}

void deal(int(*everycards)[18], int* cards)
{
 int i, j;
 
 for (i = 0; i < 3; i++)
 {
  for (j = 0; j < 18; j++)
  {
   everycards[i][j] = cards[i * 18 + j];
  }
 }
 }

void display(int(*everycards)[18], char *name1, char *name2, char *name3)
{
 int i, j;
 //方块、梅花、红桃、黑桃
 putchar('\n');
 printf("分配卡牌如下：\n");
 for (i = 0; i < 3; i++)
 {
 switch (i)
 {
 case 0: printf("%s手上的牌是: ", name1); break;
 case 1: printf("%s手上的牌是: ", name2); break;
 case 2: printf("%s手上的牌是: ", name3); break;
 }
 for (j = 0; j < 18; j++)
 {
 if (everycards[i][j] >= 1 && everycards[i][j] <= 10)
 {
 printf("方%d ", everycards[i][j]);
 }
 else if (everycards[i][j] >= 11 && everycards[i][j] <= 20)
 {
 printf("梅%d ", everycards[i][j] - 10);
 } 
 else if (everycards[i][j] >= 21 && everycards[i][j] <= 30)
 {
 printf("红%d ", everycards[i][j] - 20);
 }
 else if (everycards[i][j] >= 31 && everycards[i][j] <= 40)
 {
 printf("黑%d ", everycards[i][j] - 30);
 }
 else
 {
 switch (everycards[i][j])
 {
 case 41: printf("方J "); break;
 case 42: printf("方Q "); break;
 case 43: printf("方K "); break;
 case 44: printf("梅J "); break;
 case 45: printf("梅Q "); break;
 case 46: printf("梅K "); break;
 case 47: printf("红J "); break;
 case 48: printf("红Q "); break;
 case 49: printf("红K "); break;
 case 50: printf("黑J "); break;
 case 51: printf("黑Q "); break;
 case 52: printf("黑K "); break;
 case 53: printf("小王 "); break;
 case 54: printf("大王 "); break;
 }
 }
 }
 putchar('\n');
 putchar('\n');
 }
}

int main(void)
{
 char name1[MAX], name2[MAX], name3[MAX];
 int cards[54], everycards[3][18], lenth, i;
 char YorN;
 //初始化扑克牌
 for (int count1 = 0; count1 < 54; count1++)
 {
 cards[count1] = count1 + 1;
 }
 lenth = sizeof(cards) / sizeof(cards[0]);
 
 printf("请输入1号玩家的名字：");
 scanf_s("%s", name1, MAX);
 int b1 = getchar();
 printf("请输入2号玩家的名字：");
 scanf_s("%s", name2, MAX);
 int b2 = getchar(); 
 printf("请输入3号玩家的名字：");
 scanf_s("%s", name3, MAX);
 int b3 = getchar();
 putchar('\n');
 printf("方块 = 方，梅花 = 梅，红桃 = 红， 黑桃 = 黑\n");
 //先做一次洗牌
 shuffle(cards, lenth);
 deal(everycards, cards);
 display(everycards, name1, name2, name3);
 //寻问是否进行再次洗牌
 while (1)
 {
 printf("\n请选择是否重新洗牌（Y/N）：");
 scanf_s("%c", &YorN);
 int b4 = getchar();
 //
 if (YorN == 'Y')
 {
 shuffle(cards, lenth);
 deal(everycards, cards);
 display(everycards, name1, name2, name3);
 }
 else if (YorN == 'N')
 {
 break;
 }
 }

 return 0;
}