description Problem history Submissions question_mark Qna how_to_vote Vote #1849 upload 191 done 157 how_to_reg 139 평균(mean) timer 1s memory 128MB upload Attempts 191 times Solved 157 times Solvers 139 people Acceptance Rate 82.2% monitoring Average Runtime 732.3ms Average Memory 4644.9KB Average Code Length 127.6B No. Submitter Result Time Memory Length Language Submitted