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传送门 J-Counting Triangles_2021牛客暑期多校训练营3 (nowcoder.com) 题目 Goodeat finds an undirected complete graph with n vertices. Each edge of the graph is painte 阅读全文
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原题链接 Problem - 1523B - Codeforces 题目及部分翻译 While trading on(贸易,利用) his favorite exchange trader William realized that he found a vulnerability( [ˌvʌlnə 阅读全文