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Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside 阅读全文
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题目描述 城市C是一个非常繁忙的大都市,城市中的道路十分的拥挤,于是市长决定对其中的道路进行改造。城市C的道路是这样分布的:城市中有n个交叉路口,有些交叉路口之间有道路相连,两个交叉路口之间最多有一条道路相连接。这些道路是双向的,且把所有的交叉路口直接或间接的连接起来了。每条道路都有一个分值,分值越 阅读全文
摘要:
Pass a year learning in Hangzhou, yifenfei arrival hometown Ningbo at finally. Leave Ningbo one year, yifenfei have many people to meet. Especially a 阅读全文