description Problem history Submissions question_mark Qna how_to_vote Vote #2647 upload 9 done 4 how_to_reg 2 생 수 timer 1s memory - MB upload Attempts 9 times Solved 4 times Solvers 2 people Acceptance Rate 44.4% monitoring Average Runtime 4041.0ms Average Memory 8186.2KB Average Code Length 791.4B No. Submitter Result Time Memory Length Language Submitted