CrosstheMaze.scala

package main.java

import java.io.FileInputStream

/*
3
2
.#
#.
1 1 2 2
5
.##.#
.....
...#.
.###.
...#.
1 1 5 3
3
...
.#.
...
1 1 3 3
*/
object CrosstheMaze {
  
  def checkNEWS(point: (Int,Int), m: List[String]) : List[Boolean] = {
    List(m(point._1 - 1)(point._2) == '.', //N
        m(point._1)(point._2 + 1) == '.', //E
        m(point._1)(point._2 - 1) == '.', //W
        m(point._1 + 1)(point._2) == '.') //S
  }
  def solve(start: (Int,Int) , end: (Int,Int), m : List[String]): Option[String] = {
	  println(start,end,m)
	  val result = checkNEWS(start,m)
	  result.filter(x => true).length match{
	    case 3 =>
	    case 2 =>
	    case 1 =>
	    case 0 => 
	    }
	  Console println result
    None
  }
  def main(args: Array[String]) {
    Console.setIn(new FileInputStream("input.txt"))
      val cases = readLine().toInt;
      for(n <-(1 to cases)){
        val squareSize = readLine.toInt;
        val oriMap:List[String] = (for (i <- 1 to squareSize) yield "#" + readLine + "#").toList
        val wrapMap:List[String] = List("#" * (squareSize + 2)) ::: oriMap ::: List("#" * (squareSize + 2))
        val Array(startX,startY,endX,endY) =  readLine.split(" ")
       solve((startX.toInt,startY.toInt), (endX.toInt,endY.toInt), wrapMap)
      }
  }
}