description Problem history Submissions question_mark Qna how_to_vote Vote #1156 upload 3187 done 902 how_to_reg 793 책 복사하기2 timer 1s memory 64MB upload Attempts 3187 times Solved 902 times Solvers 793 people Acceptance Rate 28.3% monitoring Average Runtime 448.4ms Average Memory 6754.5KB Average Code Length 1530.4B No. Submitter Result Time Memory Length Language Submitted