description Problem history Submissions question_mark Qna how_to_vote Vote #9121 upload 1504 done 807 how_to_reg 727 문자열2 - 연습문제3 timer 1s memory - MB upload Attempts 1504 times Solved 807 times Solvers 727 people Acceptance Rate 53.7% monitoring Average Runtime 20.8ms Average Memory 3605.4KB Average Code Length 464.7B No. Submitter Result Time Memory Length Language Submitted