description Problem history Submissions question_mark Qna how_to_vote Vote #521 upload 33857 done 15842 how_to_reg 13959 code Language restricted 연산자 - 자가진단4 timer 1s memory - MB upload Attempts 33857 times Solved 15842 times Solvers 13959 people Acceptance Rate 46.8% monitoring Average Runtime 103.2ms Average Memory 3079.3KB Average Code Length 174.1B No. Submitter Result Time Memory Length Language Submitted