description Problem history Submissions question_mark Qna how_to_vote Vote #3576 upload 358 done 232 how_to_reg 200 완전 이진트리 전위순회(이진트리의 전위순회) timer 1s memory 128MB upload Attempts 358 times Solved 232 times Solvers 200 people Acceptance Rate 64.8% monitoring Average Runtime 22.8ms Average Memory 9887.8KB Average Code Length 393.4B No. Submitter Result Time Memory Length Language Submitted