description Problem history Submissions question_mark Qna how_to_vote Vote #520 upload 28840 done 16550 how_to_reg 14566 code Language restricted 연산자 - 자가진단3 timer 1s memory - MB upload Attempts 28840 times Solved 16550 times Solvers 14566 people Acceptance Rate 57.4% monitoring Average Runtime 115.5ms Average Memory 2864.4KB Average Code Length 149.9B No. Submitter Result Time Memory Length Language Submitted