HDU2102:A计划

#include <bits/stdc++.h>
using namespace std;
int  move1[4][2]={-1,0,1,0,0,1,0,-1};
char map1[3][16][16];
int vis[3][16][16];
int c,n,m,t,f,px,py,pz;
int check(int z,int x,int y)
{
    if(z>=0&&z<=1&&x>=0&&x<n&&y>=0&&y<m&&!vis[z][x][y]&&map1[z][x][y]!=‘*‘)
    return 1;
   return 0;
}
struct node
{
   int z;
   int x;
   int y;
   int step;    
};
int bfs()
{
  queue<node>Q;
  node a,next;
  a.z=0;
  a.x=0;
  a.y=0;
  a.step=0;
  Q.push(a);
  while(!Q.empty())
  {
      a=Q.front();
  //    cout<<a.z<<" "<<a.x<<" "<<a.y<<endl;
  //    cout<<"step="<<a.step<<endl;
      if(a.x==px&&a.y==py&&a.z==pz)
      return 1;
      Q.pop();
      
          if(map1[a.z][a.x][a.y]==‘#‘)
        {
            next.x=a.x;
            next.y=a.y;
            next.z=a.z^1;
            next.step=a.step;
            if(check(next.z,a.x,a.y)&&next.step<=t)
            {
                Q.push(next);
                vis[next.z][a.x][a.y]=1;
            }
            continue;
        }
        
        
    for(int i=0;i<4;i++)
    {
        next.x=a.x+move1[i][0];
        next.y=a.y+move1[i][1];
        next.z=a.z;
        next.step=a.step+1;
        if(check(next.z,next.x,next.y)&&next.step<=t)
        {
            vis[next.z][next.x][next.y]=1;
        Q.push(next);    
       }
    }
  }
  return 0;
}
int main()
{
         cin>>c;
     while(c--)
     {
         memset(vis,0,sizeof(vis));
        f=0;
         cin>>n>>m>>t;
         for(int k=0;k<2;k++)
         {
        
         for(int i=0;i<n;i++)
         {
             cin>>map1[k][i];        
         }
       }
       for(int k=0;k<2;k++)
       {
           for(int i=0;i<n;i++)
           {
               for(int j=0;j<m;j++)
               {
                   if(map1[k][i][j]==‘P‘)
                    {
                        pz=k;
                        px=i;
                        py=j;
                        break;
                 }
               }
           }
       }
       if(bfs()) cout<<"YES"<<endl;
       else cout<<"NO"<<endl;
    }
    return 0;
}