description Problem history Submissions question_mark Qna how_to_vote Vote #2557 upload 261 done 54 how_to_reg 52 일대일 대응 함수 timer 1s memory - MB upload Attempts 261 times Solved 54 times Solvers 52 people Acceptance Rate 20.7% monitoring Average Runtime 847.9ms Average Memory 2073.3KB Average Code Length 1056.5B No. Submitter Result Time Memory Length Language Submitted