description Problem history Submissions question_mark Qna how_to_vote Vote #4557 upload 129 done 20 how_to_reg 19 auto_awesome Special judge 빌딩 장식 계획 timer 2s memory 512MB upload Attempts 129 times Solved 20 times Solvers 19 people Acceptance Rate 15.5% monitoring Average Runtime 928.6ms Average Memory 125001.9KB Average Code Length 1744.6B No. Submitter Result Time Memory Length Language Submitted