description Problem history Submissions question_mark Qna how_to_vote Vote #961 upload 4321 done 2174 how_to_reg 1910 함수 1 - 자가진단 1 timer 1s memory 16MB upload Attempts 4321 times Solved 2174 times Solvers 1910 people Acceptance Rate 50.3% monitoring Average Runtime 53.9ms Average Memory 8208.0KB Average Code Length 95.6B No. Submitter Result Time Memory Length Language Submitted