description Problem history Submissions question_mark Qna how_to_vote Vote #1637 upload 51 done 21 how_to_reg 18 프린터 timer 1s memory 64MB upload Attempts 51 times Solved 21 times Solvers 18 people Acceptance Rate 41.2% monitoring Average Runtime 4160.6ms Average Memory 5365.2KB Average Code Length 1013.2B No. Submitter Result Time Memory Length Language Submitted