description Problem history Submissions question_mark Qna how_to_vote Vote #4230 upload 215 done 69 how_to_reg 63 제곱ㄴㄴ timer 1s memory 128MB upload Attempts 215 times Solved 69 times Solvers 63 people Acceptance Rate 32.1% monitoring Average Runtime 244.9ms Average Memory 15291.5KB Average Code Length 1286.4B No. Submitter Result Time Memory Length Language Submitted