description Problem history Submissions question_mark Qna how_to_vote Vote #424 upload 1648 done 874 how_to_reg 791 클래스 - 자가진단 4 timer 1s memory 16MB upload Attempts 1648 times Solved 874 times Solvers 791 people Acceptance Rate 53.0% monitoring Average Runtime 50.9ms Average Memory 7716.2KB Average Code Length 398.5B No. Submitter Result Time Memory Length Language Submitted