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问题 H: Snuke's Coloring 2-1 题目描述 There is a rectangle in the xy-plane, with its lower left corner at (0,0) and its upper right corner at (W,H). Each of 阅读全文
摘要：
问题 F: AtCoDeer and Election Report 题目描述 AtCoDeer the deer is seeing a quick report of election results on TV. Two candidates are standing for the elec 阅读全文