description Problem history Submissions question_mark Qna how_to_vote Vote #9396 upload 755 done 420 how_to_reg 388 code Language restricted 문자열 - 자가진단 9 timer 1s memory 32MB upload Attempts 755 times Solved 420 times Solvers 388 people Acceptance Rate 55.6% monitoring Average Runtime 56.4ms Average Memory 9141.4KB Average Code Length 119.9B No. Submitter Result Time Memory Length Language Submitted