description Problem history Submissions question_mark Qna how_to_vote Vote #9147 upload 806 done 242 how_to_reg 224 파일입출력 - 연습문제2 timer 1s memory 32MB upload Attempts 806 times Solved 242 times Solvers 224 people Acceptance Rate 30.0% monitoring Average Runtime 3.1ms Average Memory 561.4KB Average Code Length 378.9B No. Submitter Result Time Memory Length Language Submitted