description Problem history Submissions question_mark Qna how_to_vote Vote #4880 upload 310 done 198 how_to_reg 185 속이 빈 사각형 timer 1s memory 128MB upload Attempts 310 times Solved 198 times Solvers 185 people Acceptance Rate 63.9% monitoring Average Runtime 17.9ms Average Memory 3784.3KB Average Code Length 405.6B No. Submitter Result Time Memory Length Language Submitted