description Problem history Submissions question_mark Qna how_to_vote Vote #4767 upload 21 done 15 how_to_reg 15 별사탕 timer 1s memory 512MB upload Attempts 21 times Solved 15 times Solvers 15 people Acceptance Rate 71.4% monitoring Average Runtime 0.6ms Average Memory 1597.1KB Average Code Length 363.7B No. Submitter Result Time Memory Length Language Submitted