description Problem history Submissions question_mark Qna how_to_vote Vote #515 upload 40459 done 18717 how_to_reg 16111 code Language restricted 입력 - 자가진단7 timer 1s memory 32MB upload Attempts 40459 times Solved 18717 times Solvers 16111 people Acceptance Rate 46.3% monitoring Average Runtime 142.9ms Average Memory 3444.8KB Average Code Length 191.6B No. Submitter Result Time Memory Length Language Submitted