description Problem history Submissions question_mark Qna how_to_vote Vote #521 upload 33945 done 15868 how_to_reg 13984 code Language restricted 연산자 - 자가진단4 timer 1s memory - MB upload Attempts 33945 times Solved 15868 times Solvers 13984 people Acceptance Rate 46.7% monitoring Average Runtime 103.0ms Average Memory 3074.3KB Average Code Length 174.2B No. Submitter Result Time Memory Length Language Submitted