description Problem history Submissions question_mark Qna how_to_vote Vote #4416 upload 327 done 154 how_to_reg 139 광석수집 timer 1s memory 256MB upload Attempts 327 times Solved 154 times Solvers 139 people Acceptance Rate 47.1% monitoring Average Runtime 182.5ms Average Memory 7774.7KB Average Code Length 605.6B No. Submitter Result Time Memory Length Language Submitted