description Problem history Submissions question_mark Qna how_to_vote Vote #4222 upload 29 done 5 how_to_reg 5 동전교환2 timer 1s memory 16MB upload Attempts 29 times Solved 5 times Solvers 5 people Acceptance Rate 17.2% monitoring Average Runtime 680.0ms Average Memory 7984.8KB Average Code Length 962.8B No. Submitter Result Time Memory Length Language Submitted