description Problem history Submissions question_mark Qna how_to_vote Vote #9659 upload 110 done 47 how_to_reg 40 트리 순회 timer 1s memory 256MB upload Attempts 110 times Solved 47 times Solvers 40 people Acceptance Rate 42.7% monitoring Average Runtime 54.1ms Average Memory 14855.9KB Average Code Length 1272.1B No. Submitter Result Time Memory Length Language Submitted