description Problem history Submissions question_mark Qna how_to_vote Vote #2688 upload 80 done 62 how_to_reg 57 중위 순회 (OBILAZAK) timer 1s memory 32MB upload Attempts 80 times Solved 62 times Solvers 57 people Acceptance Rate 77.5% monitoring Average Runtime 1477.6ms Average Memory 7268.4KB Average Code Length 533.1B No. Submitter Result Time Memory Length Language Submitted