description Problem history Submissions question_mark Qna how_to_vote Vote #9149 upload 387 done 205 how_to_reg 187 파일입출력 - 연습문제4 timer 1s memory 32MB upload Attempts 387 times Solved 205 times Solvers 187 people Acceptance Rate 53.0% monitoring Average Runtime 4.7ms Average Memory 871.9KB Average Code Length 659.1B No. Submitter Result Time Memory Length Language Submitted