description Problem history Submissions question_mark Qna how_to_vote Vote #520 upload 28812 done 16532 how_to_reg 14548 code Language restricted 연산자 - 자가진단3 timer 1s memory - MB upload Attempts 28812 times Solved 16532 times Solvers 14548 people Acceptance Rate 57.4% monitoring Average Runtime 115.6ms Average Memory 2866.5KB Average Code Length 150.0B No. Submitter Result Time Memory Length Language Submitted