제출 #154164

실행 실패 (제출 코드 컴파일 에러)

Main.java:24: error: cannot find symbol
      for (int i = 0; i < M; i++) writer.write(arr[i] + " ");
                                  ^
  symbol:   variable writer
  location: class Main
Main.java:25: error: cannot find symbol
      writer.newLine();
      ^
  symbol:   variable writer
  location: class Main
2 errors