description Problem history Submissions question_mark Qna how_to_vote Vote #620 upload 7899 done 5797 how_to_reg 5088 포인터 - 자가진단2 timer 1s memory - MB upload Attempts 7899 times Solved 5797 times Solvers 5088 people Acceptance Rate 73.4% monitoring Average Runtime 103.8ms Average Memory 1075.1KB Average Code Length 169.5B No. Submitter Result Time Memory Length Language Submitted