07 2023 档案

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(77) 评论(0) 推荐(0) 编辑
摘要:C. Particles You have discovered n mysterious particles on a line with integer charges of c1,,cn. You have a device that allows you to perf 阅读全文
posted @ 2023-07-12 20:07 onlyblues 阅读(76) 评论(0) 推荐(0) 编辑

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