description Problem history Submissions question_mark Qna how_to_vote Vote #9391 upload 2160 done 470 how_to_reg 413 code Language restricted 문자열 - 자가진단 7 timer 1s memory 32MB upload Attempts 2160 times Solved 470 times Solvers 413 people Acceptance Rate 21.8% monitoring Average Runtime 59.6ms Average Memory 8458.8KB Average Code Length 190.5B No. Submitter Result Time Memory Length Language Submitted