description Problem history Submissions question_mark Qna how_to_vote Vote #964 upload 3376 done 1868 how_to_reg 1619 함수 1 - 자가진단 4 timer 1s memory 16MB upload Attempts 3376 times Solved 1868 times Solvers 1619 people Acceptance Rate 55.3% monitoring Average Runtime 53.5ms Average Memory 8290.5KB Average Code Length 170.6B No. Submitter Result Time Memory Length Language Submitted