description Problem history Submissions question_mark Qna how_to_vote Vote #2640 upload 2890 done 862 how_to_reg 679 call_split Subtask 올림픽 timer 1s memory 128MB upload Attempts 2890 times Solved 862 times Solvers 679 people Acceptance Rate 29.8% monitoring Average Runtime 551.8ms Average Memory 3297.1KB Average Code Length 839.9B No. Submitter Result Time Memory Length Language Submitted