description Problem history Submissions question_mark Qna how_to_vote Vote #9117 upload 1927 done 994 how_to_reg 869 문자열1 - 연습문제9 timer 1s memory - MB upload Attempts 1927 times Solved 994 times Solvers 869 people Acceptance Rate 51.6% monitoring Average Runtime 22.6ms Average Memory 3885.1KB Average Code Length 382.8B No. Submitter Result Time Memory Length Language Submitted