pushQueue(q, start);
      while(q->head != NULL)
      {
            q->head = frontQueue(q);
            popQueue(q);
      }
      for(int i = 1; i <= n; i++){
            if(map[n+1][m+1] == 1)
            pushQueue(q, i);
            if(map[n+1][m+1] == end)
            break;
      }