description Problem history Submissions question_mark Qna how_to_vote Vote #2640 upload 2898 done 865 how_to_reg 680 call_split Subtask 올림픽 timer 1s memory 128MB upload Attempts 2898 times Solved 865 times Solvers 680 people Acceptance Rate 29.8% monitoring Average Runtime 550.4ms Average Memory 3289.8KB Average Code Length 840.1B No. Submitter Result Time Memory Length Language Submitted