description Problem history Submissions question_mark Qna how_to_vote Vote #2549 upload 37 done 12 how_to_reg 11 집합의 원소의 개수 timer 1s memory - MB upload Attempts 37 times Solved 12 times Solvers 11 people Acceptance Rate 32.4% monitoring Average Runtime 8288.3ms Average Memory 9271.8KB Average Code Length 512.5B No. Submitter Result Time Memory Length Language Submitted