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病毒侵袭Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7454Accepted Submission(s): 1961Problem Description当太阳的光辉逐渐被月亮遮蔽，世界失去了光明，大地迎来最黑暗的时刻。。。。在这样的时刻，人们却异常兴奋——我们能在有生之年看到500年一遇的世界奇观，那是多么幸福的事儿啊~~但网路上总有那么些网站，开始借着民众的好奇心，打着介绍日食的旗号，大肆传播病毒。小t不幸成为受害者之一。小t如此生气， 阅读全文
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Neal is very curious about combinatorial problems, and now here comes a problem about words. Knowing that Ray has a photographic memory and this may not trouble him, Neal gives it to Jiejie.Since Jiejie can't remember numbers clearly, he just uses sticks to help himself. Allowing for Jiejie' 阅读全文
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Problem HHalumTime Limit : 3 secondsYou are given a directed graph G(V,E) with a set of vertices and edges. Each edge (i,j) that connects some vertex i to vertex j has an integer cost associated with that edge.Define the operation Halum(v, d) to operate on a vertex v using an integer d as follows: s 阅读全文
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#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE在debug8版本（调试版本），就将new（申请内存）的操作符改成DEBUG_NEW，估计会抛异常等带调试手段的函数 取消THIS_FILE这个宏的定义DEBUG_NEW #define new DEBUG_NEW 说明： 帮助查找内存错误。用户在程序中使用DEBUG_NEW,用户通常使用new运算符来从堆上分配。在Debug模式下（但定义了一个DEBUG符号），DEBUG_NEW为它分配的每个对象记录文件名和行号。然后，在用户使用CMemoryState::DumpAllObjec... 阅读全文
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Fence LoopsThe fences that surround Farmer Brown's collection of pastures have gotten out of control. They are made up of straight segments from 1 through 200 feet long that join together only at their endpoints though sometimes more than two fences join together at a given endpoint. The result 阅读全文
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#include #include //函数声明
static BOOL InitWindow( HINSTANCE hInstance, int nCmdShow );
LRESULT CALLBACK WinProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam );
//*******************************************************************
//函数：WinMain()
//功能：Win32应用程序入口函数。创建主窗口，处理消息循环
//**********.. 阅读全文
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DescriptionThe army of United Nations launched a new wave of air strikes on terrorist forces. The objective of the mission is to reduce enemy's logistical mobility. Each air strike will destroy a path and therefore increase the shipping cost of the shortest path between two enemy locations. The 阅读全文
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DescriptionProblem C: A Walk Through the ForestJimmy experiences a lot of stress at work these days, especially since his accident made working difficult. To relax after a hard day, he likes to walk home. To make things even nicer, his office is on one side of a forest, and his house is on the other 阅读全文
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DescriptionProblem D: Airport ExpressIn a small city called Iokh, a train service,Airport-Express, takes residents to the airport more quickly than other transports. There are two types of trains in Airport-Express, theEconomy-Xpressand theCommercial-Xpress. They travel at different speeds, take dif 阅读全文
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N(3N20000)ping pong players live along a west-east street(consider the street as a line segment). Each player has a unique skill rank. To improve their skill rank, they often compete with each other. If two players want to compete, they must choose a referee among other ping pong players and hold th 阅读全文