description Problem history Submissions question_mark Qna how_to_vote Vote #1638 upload 44 done 9 how_to_reg 5 auto_awesome Special judge 횡단도로 timer 2s memory 128MB upload Attempts 44 times Solved 9 times Solvers 5 people Acceptance Rate 20.5% monitoring Average Runtime 3744.8ms Average Memory 4802.1KB Average Code Length 2051.0B No. Submitter Result Time Memory Length Language Submitted