description Problem history Submissions question_mark Qna how_to_vote Vote #509 upload 40701 done 23653 how_to_reg 19890 code Language restricted 입력 - 자가진단1 timer 1s memory - MB upload Attempts 40701 times Solved 23653 times Solvers 19890 people Acceptance Rate 58.1% monitoring Average Runtime 111.7ms Average Memory 2836.1KB Average Code Length 104.4B No. Submitter Result Time Memory Length Language Submitted