description Problem history Submissions question_mark Qna how_to_vote Vote #1947 upload 25 done 21 how_to_reg 21 수열 timer 1s memory 128MB upload Attempts 25 times Solved 21 times Solvers 21 people Acceptance Rate 84.0% monitoring Average Runtime 3250.6ms Average Memory 5144.8KB Average Code Length 312.8B No. Submitter Result Time Memory Length Language Submitted