给一手扑克牌分类

最近看了《C语言程序设计程序 现代方法》，里面一个问题挺有意思的。原本自己写了一个，但结构混乱，示例程序条理清晰，全局变量用的挺好，故又按照书上的程序敲了一遍。

每次读取一手五张牌，然后根据下列类别把手中的牌分类（列出的顺序依次是从最好类别到最坏类别）：   
Straight flush: 同花顺的牌（即顺序相连又都是同花色）   
Four-of-a-kind: 四张相同的牌（四张牌级别相同）   
Full house: 三张花色相同和两张花色相同的牌（三张牌是同样的花色，而另外两张牌是同样的花色）   
Flush: 同花色的牌（五张牌是同花色的）   
Straight: 同顺序的牌（五张牌的级别顺序相连）   
Three-of-a-kind: 三张相同的牌（三张牌级别相同）   
Two pairs: 两对子   
Pair: 一对（两张牌级别相同）   
High card: 其它牌（任何其它情况的牌） 

代码如下：  

  1 #include <stdbool.h>
  2 #include <stdio.h>
  3 #include <stdlib.h>
  4 
  5 #define NUM_RANKS 13 //13种牌型
  6 #define NUM_SUITS 4
  7 #define NUM_CARDS 5  //发5张牌
  8 
  9 int num_in_rank[NUM_RANKS];
 10 int num_in_suit[NUM_SUITS];
 11 bool straight,flush,four,three;
 12 int pairs;
 13 
 14 void read_cards();
 15 void analyze_hand();
 16 void print_result();
 17 
 18 int main()
 19 {
 20     for(;;)
 21     {
 22         read_cards();
 23         analyze_hand();
 24         print_result();
 25     }
 26     return 0;
 27 }
 28 
 29 void read_cards()
 30 {
 31     bool card_exists[NUM_RANKS][NUM_SUITS];
 32     char ch,rank_ch,suit_ch;
 33     int rank,suit;
 34     bool bad_card;
 35     int cards_read = 0;
 36     for(rank = 0; rank < NUM_RANKS; rank++)
 37     {
 38         num_in_rank[rank] = 0;
 39         for(suit = 0; suit < NUM_SUITS; suit++)
 40         {
 41             card_exists[rank][suit] = false;
 42         }
 43     }
 44 
 45     for(suit = 0; suit <NUM_SUITS; suit++)
 46     {
 47         num_in_suit[suit] = 0;
 48     }
 49 
 50     while(cards_read <NUM_CARDS)
 51     {
 52         bad_card = false;
 53 
 54          printf("Enter %d piece of card\n",cards_read+1);
 55         rank_ch = getchar();
 56         switch(rank_ch)
 57         {
 58         case '0':
 59             exit(EXIT_SUCCESS);
 60         case '2':
 61             rank = 0;
 62             break;
 63         case '3':
 64             rank = 1;
 65             break;
 66         case '4':
 67             rank = 2;
 68             break;
 69         case '5':
 70             rank = 3;
 71             break;
 72         case '6':
 73             rank = 4;
 74             break;
 75         case '7':
 76             rank = 5;
 77             break;
 78         case '8':
 79             rank = 6;
 80             break;
 81         case '9':
 82             rank = 7;
 83             break;
 84         case 't':
 85         case 'T':
 86             rank = 8;
 87             break;
 88         case 'j':
 89         case 'J':
 90             rank = 9;
 91             break;
 92         case 'q':
 93         case 'Q':
 94             rank = 10;
 95             break;
 96         case 'k':
 97         case 'K':
 98             rank = 11;
 99             break;
100         case 'a':
101         case 'A':
102             rank = 12;
103             break;
104         default:
105             bad_card = true;
106         }
107 
108         suit_ch = getchar();
109         switch(suit_ch)
110         {
111         case 'c':
112         case 'C':
113             suit = 0;
114             break;
115         case 'd':
116         case 'D':
117             suit = 0;
118             break;
119         case 'h':
120         case 'H':
121             suit = 0;
122             break;
123         case 's':
124         case 'S':
125             suit = 0;
126             break;
127         default:
128             bad_card = true;
129         }
130 
131         while((ch = getchar())!='\n')
132             if(ch!=' ')
133                 bad_card = true;
134 
135         if(bad_card)
136             printf("Bad card;Ignored.\n");
137         else if(card_exists[rank][suit])
138         {
139             printf("Duplicated card;Ignored.\n");
140         }
141         else
142         {
143             num_in_rank[rank]++;
144             num_in_suit[suit]++;
145             card_exists[rank][suit] = true;
146             cards_read++;
147         }
148     }
149 }
150 
151 void analyze_hand()
152 {
153     int num_consec = 0;
154     int rank,suit;
155     straight = false;
156     flush = false;
157     four = false;
158     three = false;
159     pairs = 0;
160     for(suit = 0; suit < NUM_SUITS; suit++)
161     {
162         if(num_in_suit[suit] == NUM_CARDS)
163             flush = true;
164     }
165     rank = 0;
166     while(num_in_rank[rank] == 0)
167         rank++;
168     for(; rank < NUM_RANKS &&num_in_rank[rank] > 0 ; rank++)
169         num_consec++;
170     if(num_consec == NUM_CARDS)
171     {
172         straight = true;
173         return;
174     }
175 
176     for(rank = 0; rank <NUM_RANKS; rank++)
177     {
178         if(num_in_rank[rank] == 4)
179             four = true;
180         if(num_in_rank[rank] == 3)
181             three = true;
182         if(num_in_rank[rank] == 2)
183             pairs++;
184     }
185 }
186 
187 void print_result()
188 {
189     if(straight && flush)
190         printf("Straight flush\n");
191     else if (four)
192         printf("Four of a kind\n");
193     else if(three && pairs ==1)
194         printf("Full house\n");
195     else if(flush)
196         printf("Flush\n");
197     else if(straight)
198         printf("Straight\n");
199     else if(three)
200         printf("Three of a kind\n");
201     else if(pairs == 2)
202         printf("Two pairs\n");
203     else if(pairs ==1)
204         printf("Pair\n");
205     else
206         printf("High card\n");
207     printf("\n");
208 }

 

posted @ 2013-11-27 18:44  neuzxy  阅读(887)  评论(0)  编辑  收藏  举报