description Problem history Submissions question_mark Qna how_to_vote Vote #9121 upload 1499 done 802 how_to_reg 723 문자열2 - 연습문제3 timer 1s memory - MB upload Attempts 1499 times Solved 802 times Solvers 723 people Acceptance Rate 53.5% monitoring Average Runtime 20.9ms Average Memory 3613.7KB Average Code Length 465.0B No. Submitter Result Time Memory Length Language Submitted