Java > Prologin TTY

import java.util.ArrayList;
import java.util.Scanner;


class Main
{
  private static int tty(int h, int l, int y_tty, int x_tty, int y_gam, int x_gam, char[][] carte, boolean[][] visites)
  {
     if ( x_tty < 0 || y_tty < 0 || x_tty >= l || y_tty >= h)
     {
         return 0 ;
     }

  if(visites[y_tty][x_tty])
    return 0 ;
 
  visites[y_tty][x_tty] = true ;
 
  if( x_tty == x_gam && y_tty == y_gam)
      return 1 ;

  if (carte[y_tty][x_tty] == 'X')
      return 0 ;

       
      if(tty(h, l, y_tty+1, x_tty, y_gam, x_gam, carte, visites) == 1)
          return 1 ;
      if(tty(h, l, y_tty-1, x_tty, y_gam, x_gam, carte, visites) == 1)
          return 1 ;
     
     if(tty(h, l, y_tty, x_tty+1, y_gam, x_gam, carte, visites)  == 1)
          return 1 ;
      if(tty(h, l, y_tty, x_tty-1, y_gam, x_gam, carte, visites)  == 1)
          return 1 ;

      return 0 ;

   }
  public static void main(String args[]) throws java.io.IOException
  {
    Scanner scanner = new Scanner(System.in);
    int h;
    int l;
    int y_tty;
    int x_tty;
    int y_gam;
    int x_gam;
    char[][] carte;


    h = scanner.nextInt();
    scanner.nextLine();

    l = scanner.nextInt();
    scanner.nextLine();

    boolean[][] visites = new boolean[h][l];

    y_tty = scanner.nextInt();
    scanner.nextLine();

    x_tty = scanner.nextInt();
    scanner.nextLine();

    y_gam = scanner.nextInt();
    scanner.nextLine();

    x_gam = scanner.nextInt();
    scanner.nextLine();

    carte = new char[h][l];
    for (int i = 0; i < h; i++)
    {
      String tmp = scanner.next();
      for (int j = 0; j < l; j++)
        {
        carte[i][j] = tmp.charAt(j);
        visites[i][j] = false ;
       }
    }

    System.out.println(tty(h, l, y_tty, x_tty, y_gam, x_gam, carte, visites));
  }
}