description Problem history Submissions question_mark Qna how_to_vote Vote #4483 upload - done - how_to_reg - stop_circle Grading on hold 청소기 로봇 (1214부문 5 / 1519부문 4) timer - s memory - MB Problems text_fields NYPC 2018 본선 1214부문 5 / 1519부문 4 Source NYPC 2018 본선 5
You must sign in to write code.