description Problem history Submissions question_mark Qna how_to_vote Vote #883 upload 3073 done 1561 how_to_reg 1409 문자열 2 - 자가진단 5 timer 1s memory 16MB upload Attempts 3073 times Solved 1561 times Solvers 1409 people Acceptance Rate 50.8% monitoring Average Runtime 55.0ms Average Memory 9112.7KB Average Code Length 168.3B No. Submitter Result Time Memory Length Language Submitted