description Problem history Submissions question_mark Qna how_to_vote Vote #890 upload 4517 done 1309 how_to_reg 1175 문자열 2 - 형성평가 4 timer 1s memory 16MB upload Attempts 4517 times Solved 1309 times Solvers 1175 people Acceptance Rate 29.0% monitoring Average Runtime 52.8ms Average Memory 10250.8KB Average Code Length 110.2B No. Submitter Result Time Memory Length Language Submitted