제출 #57423

실행 실패 (제출 코드 컴파일 에러)

Main.java:44: error: cannot find symbol
        if (!sb0.isEmpty()) list0.add(sb0.toString());
                ^
  symbol:   method isEmpty()
  location: variable sb0 of type StringBuilder
Main.java:45: error: cannot find symbol
        if (!sb1.isEmpty()) list1.add(sb1.toString());
                ^
  symbol:   method isEmpty()
  location: variable sb1 of type StringBuilder
2 errors