程序压缩与管理技术:program.hta

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资源摘要信息: "program_onemore_" 文件信息中提供的标题“program_onemore_”和描述“any one”以及标签“onemore”都相对含糊,没有提供明确的技术细节。压缩包子文件的文件名称为“program.hta”,这表明文件可能是一个HTML应用程序。以下将对HTML应用程序进行详细说明,以及可能与该文件相关的知识点。 HTML应用程序是一种将HTML、CSS和JavaScript等Web技术结合在一起的软件。它可以部署为本地应用程序,并且可以像传统桌面应用程序一样执行。HTA(HTML Application)文件是微软引入的一种特殊文件格式,具有hta:application元素的HTML页面,用于在Windows操作系统上提供更丰富的用户体验。HTA文件通常具有以下特点: 1. HTA可以拥有自己的窗口、图标和状态栏,这使得它们在外观和感觉上更像一个标准的桌面应用程序。 2. HTA可以使用JavaScript来执行脚本,从而实现复杂的逻辑和功能。 3. HTA文件可以在Windows操作系统上不通过浏览器直接运行,这对于那些不希望依赖Web浏览器功能的开发者而言是一个优势。 4. HTA应用程序通常可以通过双击文件运行,这简化了用户的使用流程。 5. 由于HTA文件的特殊性,它们可能会被Windows安全策略限制,例如在某些组织的受限环境中可能不被允许执行。 HTA文件的扩展名是.hta,它们可以通过右键点击并选择“编辑”使用任何文本编辑器打开。开发者可以使用Visual Studio、Notepad++或其他代码编辑工具来创建和修改HTA文件。使用HTML和脚本语言可以创建各种交互式元素,例如表单、按钮和其他Web标准组件。 由于给定的文件信息没有提供具体的内容细节,我们无法确定“program.hta”文件的具体功能。但是,可以推测该文件可能包含了用于特定目的的HTML和JavaScript代码,例如数据处理、文件操作或其他任务自动化。它可能包含一些用户界面元素,如输入框、按钮、列表框等,用以与用户进行交互。 此外,“program_onemore_”这个标题可能表示该程序是“onemore”系列程序中的一个,或者是某个项目或功能的迭代更新。然而,没有更多的上下文信息,我们无法得知确切的用途或功能。 总结来说,"program.hta"作为HTA文件,可能是一个可以独立运行的桌面应用程序。它可能具有丰富的用户界面和交互功能,能够执行一定的自动化任务或数据处理工作。由于缺乏具体信息,我们无法详细分析其代码或功能,但以上提供的知识点足以描述HTA文件的一般特性和用途。

用代码解决这个问题The program committee of the school programming contests, which are often held at the Ural State University, is a big, joyful, and united team. In fact, they are so united that the time spent together at the university is not enough for them, so they often visit each other at their homes. In addition, they are quite athletic and like walking. Once the guardian of the traditions of the sports programming at the Ural State University decided that the members of the program committee spent too much time walking from home to home. They could have spent that time inventing and preparing new problems instead. To prove that, he wanted to calculate the average distance that the members of the program committee walked when they visited each other. The guardian took a map of Yekaterinburg, marked the houses of all the members of the program committee there, and wrote down their coordinates. However, there were so many coordinates that he wasn't able to solve that problem and asked for your help. The city of Yekaterinburg is a rectangle with the sides parallel to the coordinate axes. All the streets stretch from east to west or from north to south through the whole city, from one end to the other. The house of each member of the program committee is located strictly at the intersection of two orthogonal streets. It is known that all the members of the program committee walk only along the streets, because it is more pleasant to walk on sidewalks than on small courtyard paths. Of course, when walking from one house to another, they always choose the shortest way. All the members of the program committee visit each other equally often. Input The first line contains the number n of members of the program committee (2 ≤ n ≤ 105). The i-th of the following n lines contains space-separated coordinates xi, yi of the house of the i-th member of the program committee (1 ≤ xi, yi ≤ 106). All coordinates are integers. Output Output the average distance, rounded down to an integer, that a member of the program committee walks from his house to the house of his colleague.

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