제출 #23251

실행 실패 (제출 코드 컴파일 에러)

Main.java:74: error: cannot find symbol
            answer++;
            ^
  symbol:   variable answer
  location: class Main
Main.java:77: error: cannot find symbol
            if (changeIndex < directionChanges.size() && answer == directionChanges.get(changeIndex).time) {
                                                         ^
  symbol:   variable answer
  location: class Main
Main.java:83: error: cannot find symbol
        return answer;
               ^
  symbol:   variable answer
  location: class Main
3 errors