description Problem history Submissions question_mark Qna how_to_vote Vote #9579 upload 1844 done 1349 how_to_reg 1120 문자열 2 - 연습문제 4 timer 1s memory - MB upload Attempts 1844 times Solved 1349 times Solvers 1120 people Acceptance Rate 73.2% monitoring Average Runtime 25.6ms Average Memory 9419.0KB Average Code Length 106.8B No. Submitter Result Time Memory Length Language Submitted