description Problem history Submissions question_mark Qna how_to_vote Vote #9117 upload 1925 done 992 how_to_reg 867 문자열1 - 연습문제9 timer 1s memory - MB upload Attempts 1925 times Solved 992 times Solvers 867 people Acceptance Rate 51.5% monitoring Average Runtime 22.6ms Average Memory 3888.3KB Average Code Length 382.8B No. Submitter Result Time Memory Length Language Submitted