description Problem history Submissions question_mark Qna how_to_vote Vote #9149 upload 398 done 210 how_to_reg 192 파일입출력 - 연습문제4 timer 1s memory 32MB upload Attempts 398 times Solved 210 times Solvers 192 people Acceptance Rate 52.8% monitoring Average Runtime 4.7ms Average Memory 859.1KB Average Code Length 661.8B No. Submitter Result Time Memory Length Language Submitted