2023年7月17日
A. Vika and Her Friends
摘要： A. Vika and Her Friends Vika and her friends went shopping in a mall, which can be represented as a rectangular grid of rooms with sides of length $n$ 阅读全文
posted @ 2023-07-17 16:08 onlyblues 阅读(74) 评论(0) 推荐(0) 编辑
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