description Problem history Submissions question_mark Qna how_to_vote Vote #2810 upload 2247 done 1099 how_to_reg 989 타일교체 timer 1s memory 64MB upload Attempts 2247 times Solved 1099 times Solvers 989 people Acceptance Rate 48.9% monitoring Average Runtime 106.6ms Average Memory 3492.7KB Average Code Length 431.7B No. Submitter Result Time Memory Length Language Submitted