description Problem history Submissions question_mark Qna how_to_vote Vote #3679 upload 21 done 4 how_to_reg 4 빨간 점, 파란 점 timer 3s memory 512MB upload Attempts 21 times Solved 4 times Solvers 4 people Acceptance Rate 19.0% monitoring Average Runtime 475.3ms Average Memory 13359.8KB Average Code Length 1786.5B No. Submitter Result Time Memory Length Language Submitted