description Problem history Submissions question_mark Qna how_to_vote Vote #9149 upload 388 done 206 how_to_reg 188 파일입출력 - 연습문제4 timer 1s memory 32MB upload Attempts 388 times Solved 206 times Solvers 188 people Acceptance Rate 53.1% monitoring Average Runtime 4.7ms Average Memory 871.3KB Average Code Length 659.2B No. Submitter Result Time Memory Length Language Submitted