description Problem history Submissions question_mark Qna how_to_vote Vote #3325 upload 2 done 2 how_to_reg 2 이진트리 출력하기 timer 1s memory 64MB upload Attempts 2 times Solved 2 times Solvers 2 people Acceptance Rate 100.0% monitoring Average Runtime 0.5ms Average Memory 1434.0KB Average Code Length 1395.0B No. Submitter Result Time Memory Length Language Submitted