description Problem history Submissions question_mark Qna how_to_vote Vote #9127 upload 1951 done 847 how_to_reg 744 문자열2 - 연습문제9 timer 1s memory - MB upload Attempts 1951 times Solved 847 times Solvers 744 people Acceptance Rate 43.4% monitoring Average Runtime 14.2ms Average Memory 2752.3KB Average Code Length 770.9B No. Submitter Result Time Memory Length Language Submitted