description Problem history Submissions question_mark Qna how_to_vote Vote #9390 upload 942 done 494 how_to_reg 420 code Language restricted 문자열 - 연습문제 7 timer 1s memory 32MB upload Attempts 942 times Solved 494 times Solvers 420 people Acceptance Rate 52.4% monitoring Average Runtime 71.0ms Average Memory 8104.5KB Average Code Length 92.6B No. Submitter Result Time Memory Length Language Submitted