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There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hierarchical structure of employees 阅读全文
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为了训练小希的方向感，Gardon建立了一座大城堡，里面有N个房间(N<=10000)和M条通道(M<=100000)，每个通道都是单向的，就是说若称某通道连通了A房间和B房间，只说明可以通过这个通道由A房间到达B房间，但并不说明通过它可以由B房间到达A房间。Gardon需要请你写个程序确认一下是否 阅读全文
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The objective of the program you are going to produce is to evaluate boolean expressions as the one shown next: Expression: ( V | V ) & F & ( F | V )w 阅读全文
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Sudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure. In some of the cell 阅读全文
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There is a famous railway station in PopPush City. Country there is incredibly hilly. The station was built in last century. Unfortunately, funds were 阅读全文
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— Built-in Function: int __builtin_ffs (unsigned int x)Returns one plus the index of the least significant 1-bit of x, or if x is zero, returns zero. 阅读全文
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一、为什么使用命名空间 考虑一种情况，当我们有两个同名的人，Zara，在同一个班里。当我们需要对它们进行区分我们必须使用一些额外的信息和它们的名字，比如这个区域，如果它们生活在不同的区域或者它们的母亲或父亲的名字，等等。 在您的C++应用程序中也会出现同样的情况。例如，您可能正在编写一些具有名为xy 阅读全文