제출 #11915

실행 실패 (제출 코드 컴파일 에러)

Main.java:7: error: class BJ_13023 is public, should be declared in a file named BJ_13023.java
public class BJ_13023 {
       ^
Note: Main.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error