description Problem history Submissions question_mark Qna how_to_vote Vote #424 upload 1645 done 871 how_to_reg 789 클래스 - 자가진단 4 timer 1s memory 16MB upload Attempts 1645 times Solved 871 times Solvers 789 people Acceptance Rate 52.9% monitoring Average Runtime 50.9ms Average Memory 7712.6KB Average Code Length 398.7B No. Submitter Result Time Memory Length Language Submitted