comefrom: <gouthampradhan>array_CardFilipGame_1.java
code: public int flipgame(int[] fronts, int[] backs) {
      List<Integer> numbers = new ArrayList<>();
      for (int i = 0; i < fronts.length; i++) {
        numbers.add(fronts[i]);
        numbers.add(backs[i]);
      }
      Collections.sort(numbers);
      for (int n : numbers) {
        boolean success = true;
        for (int i = 0; i < fronts.length; i++) {
          if (n == fronts[i] && n == backs[i]) {
            success = false;
            break;
          }
        }
        if (success) {
          return n;
        }
      }
      return 0;
    }
masked: public int sample_funcname ( int [ ] var_0 , int [ ] var_1 ) {
    List < Integer > var_5 = new ArrayList < > ( ) ;
    for ( int var_7 = 0 ;
    var_7 < var_0 . length ;
    var_7 ++ ) {
      var_5 . add ( var_0 [ var_7 ] ) ;
      var_5 . add ( var_1 [ var_7 ] ) ;
    }
    Collections . sort ( var_5 ) ;
    for ( int var_12 : var_5 ) {
      boolean var_14 = true ;
      for ( int var_7 = 0 ;
      var_7 < var_0 . length ;
      var_7 ++ ) {
        if ( var_12 == var_0 [ var_7 ] && var_12 == var_1 [ var_7 ] ) {
          var_14 = false ;
          break ;
        }
      }
      if ( var_14 ) {
        return var_12 ;
      }
    }
    return 0 ;
  }
  