#include <stdio.h> #include <stdlib.h> #include <time.h> #include <string.h> int exist_in(char *arr1[][2], char *arr2[], int length);//胜负判断函数 void nextround (void);//本轮结束后的处理轮函数 enum {QUIT,OK} status;//标志位，QUIT=0,OK=1 int vcnt = 0,dcnt = 0,tcnt = 0;//数据统计 int main(void) {     int i = 0, length;     time_t t;     status = OK;     char *person = (char *) malloc(100);//动态内存分配     char *computer = (char *) malloc(100);     char *computer_person[2];     char *guess_arr[] = {"石头", "剪刀", "布"};     char *win[3][2] = {{"布", "石头"}, {"石头", "剪刀"}, {"剪刀", "布"}};        length = (int)sizeof(win)/(int)sizeof(win[0]);//此例中length=3     while (status == OK)//标志位1,执行死循环     {         srand((unsigned) time(&t));         i = rand() % 3 ;//srand和rand配合产生随机数         computer = guess_arr[i];//将随机数转换为石头剪刀或者布的字符串         computer_person[0] = computer;//将计算机的出拳结果放入*computer_person         do{             printf("请输入 剪刀 石头 布:\n");             scanf("%s",person);             if (strcmp(person,"god") == 0)//上帝模式，实现可看到电脑出拳结果             {                 printf("*********************************\n");                 printf("上帝你好，电脑本局的出的是 : %s \n",computer);                 printf("*********************************\n");                 continue;             }             else                 printf("你输入的是:%s\n", person);//下一行用于判断用户的输入是否为石头剪刀布                 if ((strcmp(person,"石头") == 0 )||(strcmp(person,"剪刀") == 0 )||(strcmp(person,"布") == 0 ))                     break;//结果为石头剪刀布之一，跳出循环。                 else                     printf("请检查你的输入是否为石头剪刀或者布： \n");         }while(1);         computer_person[1] = person;         tcnt++;                if (strcmp(computer, person) == 0 )         {             printf("平手！\n\n");         }         else if (exist_in(win, computer_person, length))         {               printf("电脑获胜\n\n");               dcnt++;         }         else         {             printf("玩家获胜\n\n");             vcnt++;             nextround();         }       }     person = NULL;     computer = NULL;        free(person);     free(computer);     return 0; } /**********************************************  exist_in函数用于判断是否是电脑获胜，length为3，比较3次，arr1和arr2中字符串的  顺序即可判断出电脑是否获胜。  *********************************************/ int exist_in(char *arr1[][2], char *arr2[], int length) {     int i;     for (i = 0; i < length; i++)     {         if (strcmp(arr1[i][0], arr2[0]) == 0 && strcmp(arr1[i][1], arr2[1]) == 0)         {             return 1;         }     }     return 0;  } void nextround (void) {     int m = 0;     printf("请输入指令：1退出，2继续，3数据总结\n");     scanf ("%d",&m);     switch (m)     {     case 1:         status = QUIT;         break;     case 2:         printf("新的一局开始\n");         break;     case 3:         printf("您的胜场数是%d，败场数是%d，总场数是%d\n",vcnt,dcnt,tcnt);         status = QUIT;         break;     default:         printf("输入错误退出");         status = QUIT;         break;     } }