1 //这是一个纯C程序，会要求你输入5张牌，然后分析，根据同花顺 四张一样 三张一样和一对 。。。来比较大小，其中牌色分别用c d h s 表示 比如输入为
  2 /*
  3 Enter a card:3s
  4 Enter a card:5s
  5 Enter a card:6s
  6 Enter a card:2s
  7 Enter a card:4s
  8 输出应为
  9 Straight Flush
 10 可是我的程序却输出为
 11 Flush
 12 经判定我的判定Straight==true 不工作，希望各位大神给看看，给修改下。。。
 13 */
 14 #include<stdio.h>
 15 #include<stdbool.h>
 16 #include<stdlib.h>
 17 #define NUM_RANKS 13//牌张总数
 18 #define NUM_SUITS 4//花色
 19 #define NUM_CARDS 5//抓牌数
 20 int num_in_rank[NUM_RANKS];
 21 int num_in_suit[NUM_SUITS];
 22 _Bool straight,flush,four,three;
 23 int pairs;
 24 void read_cards(void);
 25 void analyze_hand(void);
 26 void print_result(void);
 27 int main(void)
 28 {
 29     for(;;)
 30     {
 31         read_cards();
 32         analyze_hand();
 33         print_result();
 34     }
 35 }
 36 //输入牌张函数
 37 void read_cards(void)
 38 {
 39     _Bool card_exists[NUM_RANKS][NUM_SUITS];
 40     char ch,rank_ch,suit_ch;
 41     int rank,suit;
 42     _Bool bad_card;
 43     int cards_read = 0;
 44     for (rank = 0; rank<NUM_RANKS; rank++)
 45     {
 46         num_in_rank[rank] = 0;
 47         for(suit=0;suit<NUM_SUITS;suit++)
 48         {
 49             card_exists[rank][suit] = false;
 50         }
 51     }
 52     for (suit=0;suit<NUM_SUITS;suit++)
 53     {
 54         num_in_suit[suit] = 0;
 55     }
 56     while (cards_read<NUM_CARDS)
 57     {
 58         bad_card = false;
 59 
 60         printf ("Enter a card:");
 61 
 62         rank_ch = getchar();
 63         switch (rank_ch)
 64         {
 65         case '0':                exit(EXIT_SUCCESS);
 66         case '2':                rank = 0; break;
 67         case '3':                rank = 1; break;
 68         case '4':                rank = 2; break;
 69         case '5':                rank = 3; break;
 70         case '6':                rank = 4; break;
 71         case '7':                rank = 5; break;
 72         case '8':                rank = 6; break;
 73         case '9':                rank = 7; break;
 74         case 't': case 'T':    rank = 8; break;
 75         case 'j': case 'J':    rank = 9; break;
 76         case 'q': case 'Q':    rank = 10; break;
 77         case 'k': case 'K':  rank = 11; break;
 78         case 'a': case 'A':    rank = 12; break;
 79         default :                bad_card = true ;
 80         }
 81         suit_ch = getchar();
 82         switch (suit_ch)
 83         {
 84             case 'c': case 'C':        suit = 0;break;
 85             case 'd': case 'D':        suit = 1;break;
 86             case 'h': case 'H':        suit = 2;break;
 87             case 's': case 'S':        suit = 3;break;
 88             default:                        bad_card = true;
 89         }
 90         while((ch = getchar()) != '\n')
 91         {
 92             if (ch != ' ')
 93                 bad_card = true;
 94         }
 95         if(bad_card)
 96         {
 97             printf("Bad Card;Ignored. \n");
 98         }
 99         else if (card_exists[rank][suit])
100         {
101             printf("Duplicate card; Ignored \n");
102         }
103         else
104         {
105             num_in_rank[rank]++;
106             num_in_suit[suit]++;
107             card_exists[rank][suit] = true;
108             cards_read++;
109         }
110     }
111 }
112 //分析牌大小
113 void analyze_hand(void)
114 {
115     int num_consec = 0;
116     int rank,suit;
117     straight = false;
118     flush = false;
119     four = false;
120     three = false;
121     pairs = 0;
122 
123     for(suit = 0; suit < NUM_SUITS; suit++)
124     {
125         if (num_in_suit[suit] == NUM_CARDS)
126             flush = true;
127     }
128     rank = 0;
129     while (num_in_rank[rank] == 0)
130         {
131             rank++;
132         }
133     for(;rank < NUM_RANKS && num_in_rank[rank] > 0;rank++)
134     {
135         num_consec++;
136     }
137     if(num_consec == NUM_CARDS)
138     {
139         straight = true;
140         return ;
141     }
142     for (rank = 0;rank<NUM_RANKS && num_in_rank[rank] > 0;rank++)
143     {
144         if(num_in_rank[rank] == 4) four = true;
145         if(num_in_rank[rank] == 3) three = true;
146         if(num_in_rank[rank] == 2) pairs++;
147     }
148 }
149 //输出判断
150 void print_result(void)
151 {
152     if(straight && flush) printf("Straight flush\n");
153     else if(four) printf("Four of a kind\n");
154     else if (three && pairs) printf("Full house\n");
155     else if (flush) printf("Flush\n");
156     else if (straight) printf("Straight\n");
157     else if (three) printf("three of a kind\n");
158     else if (pairs == 2) printf("Two pairs\n");
159     else if (pairs == 1) printf("pair\n");
160     else printf("High card\n");
161     printf("\n\n");
162 }