2022年11月17日
D. Knowledge Cards
摘要： D. Knowledge Cards Pak Chanek, a renowned scholar, invented a card puzzle using his knowledge. In the puzzle, you are given a board with $n$ rows and 阅读全文
posted @ 2022-11-17 21:07 onlyblues 阅读(69) 评论(2) 推荐(0) 编辑
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