description Problem history Submissions question_mark Qna how_to_vote Vote #1156 upload 3194 done 905 how_to_reg 795 책 복사하기2 timer 1s memory 64MB upload Attempts 3194 times Solved 905 times Solvers 795 people Acceptance Rate 28.3% monitoring Average Runtime 447.6ms Average Memory 6746.3KB Average Code Length 1530.6B No. Submitter Result Time Memory Length Language Submitted