description Problem history Submissions question_mark Qna how_to_vote Vote #562 upload 21580 done 10220 how_to_reg 8900 배열1 - 자가진단8 timer 1s memory 128MB upload Attempts 21580 times Solved 10220 times Solvers 8900 people Acceptance Rate 47.4% monitoring Average Runtime 102.1ms Average Memory 3664.9KB Average Code Length 388.5B No. Submitter Result Time Memory Length Language Submitted