description Problem history Submissions question_mark Qna how_to_vote Vote #5913 upload 37 done 13 how_to_reg 10 친구의 친구는 친구 timer 1s memory 256MB upload Attempts 37 times Solved 13 times Solvers 10 people Acceptance Rate 35.1% monitoring Average Runtime 79.4ms Average Memory 13769.0KB Average Code Length 761.3B No. Submitter Result Time Memory Length Language Submitted