description Problem history Submissions question_mark Qna how_to_vote Vote #748 upload 6657 done 3902 how_to_reg 3471 code Language restricted 연산자 - 자가진단 7 timer 1s memory 16MB upload Attempts 6657 times Solved 3902 times Solvers 3471 people Acceptance Rate 58.6% monitoring Average Runtime 56.5ms Average Memory 8157.0KB Average Code Length 50.5B No. Submitter Result Time Memory Length Language Submitted