description Problem history Submissions question_mark Qna how_to_vote Vote #629 upload 5004 done 1919 how_to_reg 1800 파일입출력 - 자가진단4 timer 1s memory - MB upload Attempts 5004 times Solved 1919 times Solvers 1800 people Acceptance Rate 38.3% monitoring Average Runtime 162.3ms Average Memory 1329.8KB Average Code Length 447.8B No. Submitter Result Time Memory Length Language Submitted