description Problem history Submissions question_mark Qna how_to_vote Vote #521 upload 33974 done 15883 how_to_reg 13998 code Language restricted 연산자 - 자가진단4 timer 1s memory - MB upload Attempts 33974 times Solved 15883 times Solvers 13998 people Acceptance Rate 46.8% monitoring Average Runtime 102.9ms Average Memory 3072.4KB Average Code Length 174.2B No. Submitter Result Time Memory Length Language Submitted