description Problem history Submissions question_mark Qna how_to_vote Vote #5515 upload 121 done 30 how_to_reg 18 2xN 격자판에 1x1, 1x2, 1x3조각으로 타일 채우기 timer 1s memory 64MB upload Attempts 121 times Solved 30 times Solvers 18 people Acceptance Rate 24.8% monitoring Average Runtime 54.9ms Average Memory 2208.4KB Average Code Length 879.0B No. Submitter Result Time Memory Length Language Submitted