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CF414D Mashmokh and Water Tanks 洛谷评测传送门 题目描述 Mashmokh is playing a new game. In the beginning he has kk liters of water and pp coins. Additionally he 阅读全文
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CF53E Dead Ends "洛谷评测传送门" 题目描述 Life in Bertown has become hard. The city has too many roads and the government spends too much to maintain them. There 阅读全文
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CF620C Pearls in a Row "洛谷评测传送门" 题目描述 There are n n pearls in a row. Let's enumerate them with integers from 11 to n n from the left to the right. The 阅读全文
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洛谷 P5638 【CSGRound2】光骓者的荣耀 "洛谷传送门" 题目背景 小 K 又在做白日梦了。他进入到他的幻想中,发现他打下了一片江山。 题目描述 小 K 打下的江山一共有nn个城市,城市ii和城市i+1i+1有一条双向高速公路连接,走这条路要耗费时间a_ia i 。 小 K 为了关心 阅读全文