description Problem history Submissions question_mark Qna how_to_vote Vote #9149 upload 413 done 218 how_to_reg 196 파일입출력 - 연습문제4 timer 1s memory 32MB upload Attempts 413 times Solved 218 times Solvers 196 people Acceptance Rate 52.8% monitoring Average Runtime 4.7ms Average Memory 841.8KB Average Code Length 652.4B No. Submitter Result Time Memory Length Language Submitted