SELECT RANK () OVER(ORDER BY POIN DESC,EX_TIME ASC) AS RANK,
USER_ID AS USER_ID,
POIN AS POINT,
EX_TIME AS EX_TIME,
WRONG_ANS AS WRONG_ANS FROM (
SELECT 
A.USER_ID AS USER_ID,
SUM(POINT) AS POIN,
MAX(CASE WHEN B.STATUS = "AC" THEN strftime('%s', B.SUBMITTED_AT) ELSE NULL END) - strftime('%s', A.STARTED_AT) + 300 * 0 AS EX_TIME,
SUM(

CASE WHEN B.STATUS != "AC" AND
NOT EXISTS(SELECT * FROM SUBMISSIONS AS C WHERE C.STATUS="AC" AND B.USER_ID=C.USER_ID AND B.PROBLEM_ID=C.PROBLEM_ID AND strftime('%s', C.SUBMITTED_AT) < strftime('%s', B.SUBMITTED_AT))
 AND
 EXISTS(SELECT * FROM SUBMISSIONS AS C WHERE C.STATUS="AC" AND B.USER_ID=C.USER_ID AND B.PROBLEM_ID=C.PROBLEM_ID)
 THEN 1 ELSE 0 END

) AS WRONG_ANS FROM
ENTRIES AS A,SUBMISSIONS AS B WHERE A.CONTEST_ID == 2 AND A.USER_ID = B.USER_ID AND strftime('%s', B.SUBMITTED_AT) - strftime('%s',A.STARTED_AT) < 3600 AND B.ENTRY_ID IS NOT NULL  GROUP BY A.USER_ID ORDER BY POIN DESC,EX_TIME ASC,USER_ID ASC
) WHERE POINT != 0