description Problem history Submissions question_mark Qna how_to_vote Vote #9109 upload 2689 done 1506 how_to_reg 1250 문자열1 - 연습문제2_1 timer 1s memory - MB upload Attempts 2689 times Solved 1506 times Solvers 1250 people Acceptance Rate 56.0% monitoring Average Runtime 14.0ms Average Memory 2639.9KB Average Code Length 258.5B No. Submitter Result Time Memory Length Language Submitted