/in/Main.java:9: error: cannot find symbol
            Arrays.fill(visit,false);
            ^
  symbol:   variable Arrays
  location: class Main
/in/Main.java:32: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
/in/Main.java:32: error: cannot find symbol
        Scanner sc = new Scanner(System.in);
                         ^
  symbol:   class Scanner
  location: class Main
3 errors