description Problem history Submissions question_mark Qna how_to_vote Vote #629 upload 5033 done 1929 how_to_reg 1810 파일입출력 - 자가진단4 timer 1s memory - MB upload Attempts 5033 times Solved 1929 times Solvers 1810 people Acceptance Rate 38.3% monitoring Average Runtime 161.5ms Average Memory 1326.2KB Average Code Length 448.4B No. Submitter Result Time Memory Length Language Submitted