description Problem history Submissions question_mark Qna how_to_vote Vote #9149 upload 414 done 219 how_to_reg 197 파일입출력 - 연습문제4 timer 1s memory 32MB upload Attempts 414 times Solved 219 times Solvers 197 people Acceptance Rate 52.9% monitoring Average Runtime 4.7ms Average Memory 841.3KB Average Code Length 652.7B No. Submitter Result Time Memory Length Language Submitted