description Problem history Submissions question_mark Qna how_to_vote Vote #631 upload 3361 done 1878 how_to_reg 1758 파일입출력 - 자가진단6 timer 1s memory - MB upload Attempts 3361 times Solved 1878 times Solvers 1758 people Acceptance Rate 55.9% monitoring Average Runtime 210.0ms Average Memory 1783.4KB Average Code Length 271.8B No. Submitter Result Time Memory Length Language Submitted