/*一副扑克（除去王），第一轮玩者依次取一张牌，。之后玩者根据自己的牌总的点数
选择继续要牌或比较大小。(玩家可以选择不要牌，但一旦选择不要牌，以后就不能再要牌）
玩家的点数一旦超过10。5，不能再要牌。
j q k算0。5点。 如果牌总的点数都大于10。5 或都小于10。5，大者赢；
如果一个大于10。5而另一个小于10。5，小于10。5者胜。*/
/*2005-4-9  梁见斌*/
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
struct book{
   int color;
   char number;
   float num;
} Card[52];/*用来存储牌的花色，数字及所代表的点数*/

void Build_Show(int HuaSe[], float DianShu[], char ShuZi[]);/*建立一副新牌，并显示给游戏者检查*/
void Wash_Card(void);/*洗牌*/
void Get_Card(int n) ;/*按顺序发牌并公布结果*/
void DuoRen(int n);
int main(void)
{
   int  flag, n;
   int HuaSe[4]={3,4,5,6};/*存储花色*/
   char ShuZi[13]={'A','K','Q','J','0','9','8','7','6','5','4','3','2'};/*存储数字*/
   float DianShu[13]={1,0.5,0.5,0.5,10,9,8,7,6,5,4,3,2};/*存储点数*/
   
   Build_Show(HuaSe, DianShu, ShuZi);/*建立一副新牌，并显示给游戏者检查*/
   do{
      Wash_Card();/*洗牌*/
   a: puts("\n请输入玩家个数（1-8个）：");
      scanf("%d", &n);
      switch(n)
      {
         case 1:  puts("你和电脑玩");
                          break;
           case 2:  puts("你们两个人玩");
                     break;
           case 3:  puts("你们三个人玩");
                       break;    
         case 4:  puts("你们四个人玩");
                       break;
         case 5:  puts("你们五个人玩");
                       break;
         case 6:  puts("你们六个人玩");
                       break;
         case 7:  puts("你们七个人玩");
                       break;
         case 8:  puts("你们八个人玩");
                       break;
          default : puts("玩家太多了");
                      goto a;
      }   
      Get_Card(n);/*发牌并公布结果*/
      do{
         puts("\n你还要玩吗？输入1表示要，输入0表示不要：");
          fflush(stdin);
          scanf("%d", &flag);
      }  while(flag != 1 && flag != 0);
   } while(flag == 1);   
   getchar();
   return 0;
}  

void Build_Show(int HuaSe[], float DianShu[], char ShuZi[])
{
   int i, j;
   for(i=0; i<4; i++)/*建立一副新牌*/
       for(j=0; j<13; j++)
       {
          Card[j+13*i].color = HuaSe[i];
          Card[j+13*i].number = ShuZi[j];
          Card[j+13*i].num = DianShu[j];
       }
    puts("这是一付新牌："); /*显示整副牌给游戏者检查*/
       for(i=0,j=0; i<52; i++,j++)
    {
      if(!(j%13))
          printf("\n");
         printf("  %c%c", Card[i].color , Card[i].number);
    }
}

void Wash_Card(void)
{
    int i, j, hua;
    char dian;
    float shu;
    
   srand( (unsigned) time(NULL));
   for(i=0; i<52; i++)
   {
      j=rand()%(52-i);/*随机换牌，把牌的顺序打乱*/
      hua=Card[j].color;
      Card[j].color=Card[51-i].color;
      Card[51-i].color=hua;
      
      dian=Card[j].number;
      Card[j].number=Card[51-i].number;
      Card[51-i].number=dian;
      
      shu=Card[j].num;
      Card[j].num=Card[51-i].num;
      Card[51-i].num=shu;
   }   
}  

void Get_Card(int n) /*按顺序发牌并公布结果*/
{
   int i=0, j=0, k=0, flag=1, flag2=1;
   float sum_m=0, sum_c=0;
   struct book Man[52], Computer[52];
   if(n == 1)
   {
      while(flag == 1 && i < 52)
      {
         Man[j++]=Card[i++];/*人先拿牌*/
         sum_m += Man[j-1].num;/*累计人拿到的总点数*/
         if(flag2 == 1 && i < 52 && (sum_m <= 10.5 && sum_c <= 10.5 && (sum_c + Card[i].num) <= 10.5
             || sum_m > 10.5 && (sum_c + Card[i].num) >= sum_m))  /*让电脑可以知道下一张牌，以便决定是否要牌*/
         {
            Computer[k++]=Card[i++];/*电脑拿牌*/
            sum_c += Computer[k-1].num;/*累计电脑拿到的总点数*/
         }
         else
             flag=0;  
             
         printf("\n");
         puts("你现在拿到的牌为：");
         for(int i=0; i<j; i++)
             printf("  %c%c", Man[i].color , Man[i].number);
            printf("\n你现在拿到的总点数为：%f\n", sum_m);
            
            puts("电脑现在拿到的牌为：");
         for(int i=0; i<k; i++)
                printf("  %c%c", Computer[i].color , Computer[i].number);
            printf("\n电脑现在拿到的总点数为：%f\n", sum_c);
            
            if(sum_m <= 10.5)
            {
               do{
                puts("你还要牌吗？输入1表示要，输入0表示不要：");
                fflush(stdin);
                scanf("%d", &flag);
            }  while(flag != 1 && flag != 0);
            if(i == 52)
            {
                  puts("牌已经拿光了！");  
               system("pause");
            }
         }
         else
             break;         
      }   /*人不要牌后，电脑根据需要可以再拿牌，直到超过10.5*/
      while(flag2 == 1 && i < 52 && (sum_m <= 10.5 && sum_c <= 10.5 && (sum_c + Card[i].num) <= 10.5
           || sum_m > 10.5 && (sum_c + Card[i].num) >= sum_m))  /*让电脑可以知道下一张牌，以便决定是否要牌*/
      {
         Computer[k++]=Card[i++];
         sum_c += Computer[k-1].num;
         if( sum_c > 10.5)
             break;
      }
      puts("好，现在公布结果：");
      puts("你现在拿到的牌为：");
      for(int i=0; i<j; i++)
             printf("  %c%c", Man[i].color , Man[i].number);
         printf("\n你现在拿到的总点数为：%f\n", sum_m);
         puts("电脑现在拿到的牌为：");
      for(int i=0; i<k; i++)
             printf("  %c%c", Computer[i].color , Computer[i].number);
         printf("\n电脑现在拿到的总点数为：%f\n", sum_c);
         if((sum_m > 10.5 && sum_c > 10.5)||(sum_m <= 10.5 && sum_c <= 10.5))
            if(sum_m > sum_c)
                puts("你竟然赢了电脑！真是不可思议！");
         else if(sum_m == sum_c)
             puts("和电脑打成了平手，你的确实不错");
            else
             puts("你输给了电脑！看来需要多加练习！");
         else if(sum_m <= 10.5 && sum_c > 10.5)
             puts("你竟然赢了电脑！真是不可思议！");
      else
          puts("你输给了电脑！看来需要多加练习！");
    }
    else
        DuoRen(n);    
}    

void DuoRen(int n)
{
   struct book Man[n][52];
   int i, a[8]={0}, k=0, flag[8], flag2=1, s=0;
   float sum[8]={0};

   for(i=0; i<n; i++)/*每个人都要拿第一轮牌*/
   {
      printf("\n第 %d 个人拿牌 \t", i+1);   
      Man[i][a[i]++] = Card[k++];
      sum[i] += Man[i][a[i]-1].num;
      flag[i]=1;
      printf("第 %d 个人手上的牌为:\t", i+1);
      for(int m=0; m<a[i]; m++)
         printf("  %c%c", Man[i][m].color , Man[i][m].number);
         printf("\n第 %d 个人拿到的总点数为：%f\n", i+1, sum[i]);
   }
   while(flag2 == 1)/*当所有的人都不能拿牌时循环结束*/
   {
      for(i=0; i<n; i++)      
         {
         if(k == 52)
         {
               puts("牌已经拿光了！");
            flag2=0;
            break;
         }
         else if(flag[i] == 1 && sum[i] <= 10.5)/*当玩家有资格拿牌时可选择是否拿牌*/
         {
            printf("\n\n第 %d 个人拿牌 \t", i+1);
               do{
                  printf("你的总点数为：%f\n", sum[i]);
                  puts("你要牌吗？输入1表示要，输入0表示不要：");
                  fflush(stdin);
                  scanf("%d", &flag[i]);
            }  while(flag[i] != 1 && flag[i] != 0);
            if(flag[i] == 1)
            {
               Man[i][a[i]++] = Card[k++];
               sum[i] += Man[i][a[i]-1].num;
               printf("第 %d 个人手上的牌为:\t", i+1);
               for(int m=0; m<a[i]; m++)
                     printf("  %c%c", Man[i][m].color , Man[i][m].number);
                  printf("\n第 %d 个人拿到的总点数为：%f\n", i+1, sum[i]);         
            }   
         }
         if(sum[i] > 10.5)
             flag[i]=0;
      }    
      s=0;        
      for(i=0; i<n; i++) /*看是否所有的玩家都有资格拿牌*/
         s += flag[i];
      if(s == 0)
            flag2=0;
   }  
   puts("\n\n好，现在公布结果：");
   for(i=0; i<n; i++)
   {
      printf("第 %d 个人手上的牌为:\t", i+1);
      for(int m=0; m<a[i]; m++)
             printf("  %c%c", Man[i][m].color , Man[i][m].number);
         printf("\n第 %d 个人拿到的总点数为：%f\n", i+1, sum[i]);
   }        
}      

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