description Problem history Submissions question_mark Qna how_to_vote Vote #2640 upload 2903 done 867 how_to_reg 682 call_split Subtask 올림픽 timer 1s memory 128MB upload Attempts 2903 times Solved 867 times Solvers 682 people Acceptance Rate 29.9% monitoring Average Runtime 549.7ms Average Memory 3286.7KB Average Code Length 840.1B No. Submitter Result Time Memory Length Language Submitted