description Problem history Submissions question_mark Qna how_to_vote Vote #628 upload 5679 done 1991 how_to_reg 1851 파일입출력 - 자가진단3 timer 1s memory 32MB upload Attempts 5679 times Solved 1991 times Solvers 1851 people Acceptance Rate 35.1% monitoring Average Runtime 257.2ms Average Memory 1842.3KB Average Code Length 873.2B No. Submitter Result Time Memory Length Language Submitted