description Problem history Submissions question_mark Qna how_to_vote Vote #3576 upload 365 done 237 how_to_reg 205 완전 이진트리 전위순회(이진트리의 전위순회) timer 1s memory 128MB upload Attempts 365 times Solved 237 times Solvers 205 people Acceptance Rate 64.9% monitoring Average Runtime 23.0ms Average Memory 9742.4KB Average Code Length 394.2B No. Submitter Result Time Memory Length Language Submitted