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2020年12月2日
Codeforces Round #383 (Div. 1) C. Arpa’s overnight party and Mehrdad’s silent entering（二分图染色）
摘要： Note that girls in Arpa’s land are really attractive. Arpa loves overnight parties. In the middle of one of these parties Mehrdad suddenly appeared. H 阅读全文
posted @ 2020-12-02 23:35 脂环 阅读(104) 评论(0) 推荐(0)