description Problem history Submissions question_mark Qna how_to_vote Vote #9146 upload 639 done 323 how_to_reg 271 파일입출력 - 연습문제1 timer 1s memory 32MB upload Attempts 639 times Solved 323 times Solvers 271 people Acceptance Rate 50.5% monitoring Average Runtime 6.8ms Average Memory 1305.8KB Average Code Length 458.0B No. Submitter Result Time Memory Length Language Submitted