description Problem history Submissions question_mark Qna how_to_vote Vote #3038 upload 149 done 21 how_to_reg 21 블록 두 개 timer 1s memory 32MB upload Attempts 149 times Solved 21 times Solvers 21 people Acceptance Rate 14.1% monitoring Average Runtime 633.1ms Average Memory 8230.5KB Average Code Length 733.0B No. Submitter Result Time Memory Length Language Submitted