one day

#include
#include
#include
#include
time_t tBegin;
time_t tTemp;
int dp=0;
int ttime=300;
void outNum(int flag){
 switch(flag){
  case 1:
   printf("A\n"); break;
  case 13:
   printf("K\n"); break;
  case 12:
   printf("Q\n"); break;
  case 11:
   printf("J\n"); break;
  case 10:
   printf("10\n"); break;
  default:
   printf("%d\n",flag);
 }
}
int checkIn(int num[4],char c[3]){
 int ans = 0;
 ans += num[0];
 for(int i = 0; i < 3; i++){
  switch(c[i]){
   case '+':
    ans += num[1+i];
    break;
   case '-':
    ans -= num[1+i];
    break;
   case '*':
    ans *= num[1+i];
    break;
   case '/':
    ans /= num[1+i];
    break;
  }
 }
 return ans;
}
bool checkOut(int num[4],int chioce){
    int dp1;
    if(chioce==1||chioce==11){
        dp1=2;
    }else{
        dp1=4;
    }
 char c[4] = {'+','-','*','/'};
 int flag[4];
 char cflag[3];
 for(int i1 = 0; i1 < 4; i1++){
  for(int j1 = 0; j1 < dp1; j1++){
   for(int i2 = 0; i2 < 4; i2++){
    if(i1==i2) continue;
    for(int j2 = 0; j2 < dp1; j2++){
     for(int i3 = 0; i3 < 4; i3++){
      if(i1==i3||i2==i3) continue;
      for(int j3 = 0; j3 < dp1; j3++){
       for(int i4 = 0; i4 < 4; i4++){
        if(i1==i4||i2==i4||i3==i4) continue;
        flag[0] = num[i1];
        flag[1] = num[i2];
        flag[2] = num[i3];
        flag[3] = num[i4];
        cflag[0] = c[j1];
        cflag[1] = c[j2];
        cflag[2] = c[j3];
        if(checkIn(flag,cflag)==24){
                                    if(dp==1){
                                        for(int i = 0; i < 7; i++){
                                            if(i%2==0){
                                                printf("%d",flag[i/2]);
                                            }else{
                                                printf("%c",cflag[i/2]);
                                            }
                                        }
                                         printf("\n");
                                    }
                                    return true;
        }
       }
      }
     }
    }
   }
  }
 }
    return false;
}
int main()
{
    int num[4];
 srand(time(0));
    int chioce;
    printf("\n  **欢迎来到24点游戏！**\n\n");
    do{
        printf("**请选择你想选择的游戏难度\n\n**输入1   选择简单模式(限时300s内)\n**输入11  选择进阶简单模式（限时30s内）\n**输入2   选择困难模式(限时300s内)\n**输入22  选择魔鬼模式(限时30s内)\n\n请输入你的选择：");
        scanf("%d",&chioce);
    do{
  int i = 0;
  while(i<4){
            num[i] = rand()%52+1;
            i++;
  }
  for(int i = 0; i < 4; i++)
            num[i] = num[i]%13+1;
 }while(!checkOut(num,chioce));
 printf("\n扑克牌 1:  ");
 outNum(num[0]);
 printf("扑克牌 2:  ");
 outNum(num[1]);
 printf("扑克牌 3:  ");
 outNum(num[2]);
 printf("扑克牌 4:  ");
 outNum(num[3]);
 printf("请选择数字的号码进行计算（例如 1*2+3-4）\n");
 tBegin = time(NULL);
 int numIn[4];
 char c[3];
 for(int i = 0; i < 7; i++){
  if(i%2==0){
   scanf("%d",&numIn[i/2]);
  }else{
   c[i/2] = getchar();
  }
 }
 for(int i = 0; i < 4; i++) numIn[i] = num[numIn[i]-1];
 tTemp = time(NULL);
 int flag;
 flag = checkIn(numIn,c);

 if(flag==24){
        if(chioce==1||chioce==2){
            ttime=30;
        }
  if(tTemp - tBegin >ttime){
   printf("**对不起您虽然答案正确，但是超出了游戏时间。**\n");
            }
            else
   printf("\n****恭喜你,你的答案正确。*****\n");
 }
 else{
  printf("\n\n****很抱歉，你的答案错误！****\n");
  printf("  以下为所有正确答案：\n");
        dp=1;
        do{
        }while(!checkOut(num,2));
 }
 printf("\n\n输入1选择继续游戏，输入3选择退出游戏！");
 scanf("%d",&chioce);
    dp=0;
    ttime=30;
    }while(chioce==1||chioce==2||chioce==11||chioce==22);
    return 0;
}