description Problem history Submissions question_mark Qna how_to_vote Vote #4678 upload 162 done 77 how_to_reg 69 미로 탐색 2 timer 5s memory 256MB upload Attempts 162 times Solved 77 times Solvers 69 people Acceptance Rate 47.5% monitoring Average Runtime 419.9ms Average Memory 15155.1KB Average Code Length 840.2B No. Submitter Result Time Memory Length Language Submitted