description Problem history Submissions question_mark Qna how_to_vote Vote #9017 upload 7509 done 2988 how_to_reg 2626 code Language restricted 입력 - 연습문제 9 timer 1s memory 32MB upload Attempts 7509 times Solved 2988 times Solvers 2626 people Acceptance Rate 39.8% monitoring Average Runtime 14.1ms Average Memory 2793.7KB Average Code Length 206.7B No. Submitter Result Time Memory Length Language Submitted