description Problem history Submissions question_mark Qna how_to_vote Vote #4131 upload 15 done 4 how_to_reg 4 call_split Subtask Tree Depth timer 2s memory 512MB upload Attempts 15 times Solved 4 times Solvers 4 people Acceptance Rate 26.7% monitoring Average Runtime 478.8ms Average Memory 26393.9KB Average Code Length 3746.7B No. Submitter Result Time Memory Length Language Submitted