纯业余新人，第一次提问，代码写得很差qwq

自己查了好几遍不知道哪里错了

希望能得到大佬们解答，也希望大佬们能多多指点

#include<iostream>
using namespace std;
struct node
{
   char rank,suit;
   struct node *left,*down,*up;
}card[53+3];
int N=52;
void move(int i)
{
   if(card[i].left ==NULL||card[i].up !=NULL) return;
   if((*(*card[i].left).left).left==NULL)
   {
       if(card[i].rank ==(*card[i].left).rank ||card[i].suit ==(*card[i].left).suit )
       {
           if(card[i].down ==NULL) N--;
           card[i].down =card[i].left;
           (*card[i].left ).up=&card[i];
           card[i].left =(*card[i].left).left;
           return move(i);
       }
   }
   else
   {
       if(card[i].rank ==(*(*(*card[i].left).left).left).rank||card[i].suit ==(*(*(*card[i].left).left).left).suit )
       {
           if(card[i].down ==NULL) N--;
           card[i].down =(*(*card[i].left).left).left;
           (*(*(*card[i].left).left).left).up=&card[i];
           card[i].left =(*(*(*card[i].left).left).left).left;
           return move(i);
       }
       else
       {
           if(card[i].rank ==(*card[i].left).rank ||card[i].suit ==(*card[i].left).suit )
       {
           if(card[i].down ==NULL) N--;
           card[i].down =card[i].left;
           (*card[i].left ).up=&card[i];
           card[i].left =(*card[i].left).left;
           return move(i);
       }
       }
   }
   return;
}
int main()
{
   int t=0,i,j,s=0;
   char a;
   for(i=1+3;i<=52+3;i++) cin>>card[i].rank>>card[i].suit;
   cin>>a;
   //输入
   for(i=0;i<4;i++)
   {
       card[i].left =NULL;
       card[i].rank =0;
       card[i].suit =0;
   }
   card[1+3].left=NULL;
   for(i=2+3;i<=52+3;i++) card[i].left =&card[i-1];
   for(i=1;i<=52+3;i++)
   {
       card[i].down =NULL;
       card[i].up =NULL;
   }
   //初始化
   while(t!=52)
   {
       t=0;
       for(i=1+3;i<=52+3;i++)
       {
           if(card[i].up !=NULL||card[i].left ==NULL)
           {
               t++;
               continue;
           }
           if((*(*card[i].left).left).left==NULL)
           {
               if(card[i].rank !=(*card[i].left).rank &&card[i].suit !=(*card[i].left).suit )
           {
               t++;
               continue;
           }
           }
           else
           {
               if(card[i].rank !=(*(*(*card[i].left).left).left).rank&&card[i].suit !=(*(*(*card[i].left).left).left).suit )
           {
               if(card[i].rank !=(*card[i].left).rank &&card[i].suit !=(*card[i].left).suit )
               {
                   t++;
                   continue;
              }
           }
           }
           move(i);
       }
   }
   //移动
   cout<<N<<" piles remaining:";
   for(i=1+3;i<=52+3;i++)
       {
           if(card[i].up ==NULL)
           {
               j=i;
               while(card[j].down!=NULL)
               {
                   j++;
                   s++;
               }
               cout<<" "<<s+1;
           }
       }
   return 0;
}

请问android如何在数据库中提取值

weixin_29604009

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