description Problem history Submissions question_mark Qna how_to_vote Vote #9621 upload 1767 done 671 how_to_reg 572 함수 2 - 연습문제 4 timer 1s memory - MB upload Attempts 1767 times Solved 671 times Solvers 572 people Acceptance Rate 38.0% monitoring Average Runtime 24.3ms Average Memory 8993.6KB Average Code Length 224.3B No. Submitter Result Time Memory Length Language Submitted