description Problem history Submissions question_mark Qna how_to_vote Vote #3578 upload 225 done 200 how_to_reg 189 완전 이진트리 후위순회(이진트리의 후위순회) timer 1s memory 128MB upload Attempts 225 times Solved 200 times Solvers 189 people Acceptance Rate 88.9% monitoring Average Runtime 21.7ms Average Memory 9952.2KB Average Code Length 383.1B No. Submitter Result Time Memory Length Language Submitted