description Problem history Submissions question_mark Qna how_to_vote Vote #5211 upload 244 done 75 how_to_reg 64 auto_awesome Special judge 발판밟기 timer 1s memory 128MB upload Attempts 244 times Solved 75 times Solvers 64 people Acceptance Rate 30.7% monitoring Average Runtime 279.9ms Average Memory 6919.5KB Average Code Length 1591.2B No. Submitter Result Time Memory Length Language Submitted