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一面（5月7日）45min 自我介绍 介绍项目（用到的技术，ES搜索） 竞赛记忆深刻的点（开放问题，回答了线段树空间换时间，不可重用背包问题逆序遍历） c和c主要的区别（面向对象和面向过程，c三大特性） 在第一问的基础上，接着聊的多态原理（虚函数表） 构造函数种类 析构函数可以定义为虚函数吗 ext 阅读全文
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Description You are given two integers N,C and two integer sequences a and b of length N. The sequences are indexed from 1 to N. Please solve the foll 阅读全文
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Description Mario is world famous plumber. His “burly” figure and amazing jumping ability reminded in our memory. Now the poor princess is in trouble 阅读全文
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Description After inventing Turing Tree, 3xian always felt boring when solving problems about intervals, because Turing Tree could easily have the sol 阅读全文
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Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral poste 阅读全文
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Description Building and maintaining roads among communities in the far North is an expensive business. With this in mind, the roads are build such th 阅读全文
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此题有两种建树方式！ Description In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers 阅读全文