description Problem history Submissions question_mark Qna how_to_vote Vote #3607 upload 31 done 18 how_to_reg 13 트리와 쿼리 2 timer 1s memory 128MB upload Attempts 31 times Solved 18 times Solvers 13 people Acceptance Rate 58.1% monitoring Average Runtime 256.1ms Average Memory 18171.1KB Average Code Length 2561.6B No. Submitter Result Time Memory Length Language Submitted