description Problem history Submissions question_mark Qna how_to_vote Vote #9384 upload 719 done 503 how_to_reg 439 code Language restricted 문자열 - 연습문제 4 timer 1s memory 32MB upload Attempts 719 times Solved 503 times Solvers 439 people Acceptance Rate 70.0% monitoring Average Runtime 67.2ms Average Memory 8822.7KB Average Code Length 71.5B No. Submitter Result Time Memory Length Language Submitted