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20:24:49",[44],{"currentItem":105,"processedData":125},{"img":106,"keywords":107,"treeType":44,"description":108,"showStatus":44,"updateTime":109,"type":110,"title":111,"content":112,"nextArticle":113,"createTime":109,"sortOrder":117,"canonicalPath":118,"id":119,"contentType":120,"prevArticle":121},"https:\u002F\u002Foss.infinitensor.com\u002Fprod\u002Fimages\u002FKnowledge_Base\u002FKB_02_fm.jpg?Expires=1792752838&OSSAccessKeyId=LTAI5t9R6uzvTa69CT92cFvV&Signature=a9FzE0FYfC%2BbwD7o6ABNu2Sfs%2Fg%3D","InfiniTensor,冬季训练营,C++实践,语法训练,编程规范","C++ 实践2课程围绕核心语法与编程训练展开，提升代码编写规范与实现效率。","2026-10-22 20:38:11",2,"InfiniTensor冬季训练营实践编程基础课第二课《C++实践2》","![](https:\u002F\u002Foss.infinitensor.com\u002Fprod\u002Fimages\u002FKnowledge_Base\u002FKB_02_zw1.jpg?Expires=1792752838&OSSAccessKeyId=LTAI5t9R6uzvTa69CT92cFvV&Signature=in2ZzAqhRLoj07XZrX3k%2FM1yMG8%3D)\r\n\r\n1月6日，InfiniTensor 大模型与人工智能系统训练营编程基础课第二课开讲，课程主题为《`C++`实践2》。\r\n\r\n本课程通过实践形式，帮助学生掌握`C++`编程基础，同时引入命令行操作、版本管理工具Git以及代码风格规范等实用技能，提升综合编程能力。\r\n\r\n### 函数优化与模块化设计\r\n**1. 函数拆分与命名规范**\r\n- 问题：input函数功能冗余（输入与计算混合）。\r\n- 解决方案：拆分为input（输入）和calculate（计算）函数。\r\n- 命名规范：函数名应准确反映功能（如calculate替代原input中的计算部分）。\r\n\r\n**2. 参数传递与常量修饰**\r\n- 引用传递：使用double&传递参数以避免拷贝。\r\n- 常量修饰：对无需修改的参数添加const（如const double& x）。\r\n- 示例：\r\n```cpp\r\nvoid input(double& x, double& y, char& op); \u002F\u002F 输入函数\r\ndouble calculate(const double& x, const double& y, const char& op); \u002F\u002F 计算函数\r\n```\r\n\r\n### 命令行工具与版本控制（Git）\r\n**1. Git基础操作**\r\n- 初始化仓库：`git init`\r\n- 状态查看：`git status`\r\n- 添加文件：`git add \u003Cfile>`\r\n- 提交更改：`git commit -m \"message\"`\r\n- 日志查看：`git log`\r\n\r\n**2. 版本管理实践**\r\n- 忽略生成文件：如编译结果main不应纳入版本控制。\r\n- 分阶段提交：通过git add选择部分更改提交，保持提交记录清晰。\r\n\r\n### 代码风格与格式化工具\r\n**1. 代码风格规范(如 Google 的 llvm)**\r\n- 缩进\r\n- 花括号位置\r\n- 行长度限制\r\n- 命名规则\r\n\r\n**2. 自动化格式化工具**\r\n- Clang-Format：通过配置文件（.clang-format）统一代码风格。\r\n- IDE集成：VS Code中通过快捷键Shift+Alt+F格式化代码。\r\n\r\n### C++进阶：数组与指针\r\n**1. 数组基础**\r\n- 定义与初始化：`double numbers[2] = {1.0, 2.0};`\r\n- 访问元素：通过索引（如`numbers[0]`）。\r\n\r\n**2. 指针与数组关系**\r\n- 指针本质：数组名即首元素地址（如`numbers等价于&numbers[0]`）。\r\n- 指针传递：函数参数中使用指针替代数组（如`void process(double* arr, int size)`）。\r\n\r\n**3. 动态大小处理**\r\n- 循环遍历：使用for循环处理变长数组。\r\n- 示例：求和函数\r\n```cpp\r\ndouble sum(const double* numbers, int size) {\r\n    double result = 0.0;\r\n    for (int i = 0; i \u003C size; ++i) {\r\n        result += numbers[i];\r\n    }\r\n    return result;\r\n}\r\n```\r\n### 结构体与数据封装\r\n**1. 结构体定义**\r\n- 目的：将相关数据绑定为一个整体（如size与data数组）。\r\n\r\n![](https:\u002F\u002Foss.infinitensor.com\u002Fprod\u002Fimages\u002FKnowledge_Base\u002FKB_02_zw2.jpg?Expires=1792752838&OSSAccessKeyId=LTAI5t9R6uzvTa69CT92cFvV&Signature=Mmyar9cBzHd7MtKs4%2Fv%2FCAFWU8c%3D)\r\n\r\n\r\n**2. 结构体应用**\r\n- 简化函数参数：传递单个结构体而非多个独立参数。\r\n- 内存管理：动态分配数组时需手动释放内存。\r\n\r\n### 变长输入处理与字符串流\r\n**1. 行输入处理**\r\n- getline函数：读取整行输入（如getline(cin, line)）。\r\n- 字符串流（stringstream）：解析行中的多个数值。\r\n- 示例：\r\n```cpp\r\nstring line;\r\ngetline(cin, line);\r\nistringstream iss(line);\r\ndouble num;\r\nwhile (iss >> num) {\r\n    \u002F\u002F 处理每个数值\r\n}\r\n```\r\n\r\n**2. 终止条件设计**\r\n行结束标志：以换行符为输入终止条件，支持变长操作数。\r\n\r\n\r\n### 总结与展望\r\n本节课通过实践形式，帮助学生掌握了C+ +编程基础、命令行操作、Git版本管理以及代码风格规范等实用技能。通过模块化编程思维和良好代码习惯的培养，可以具备独立开发小型项目的能力。后续课程将继续深入讲解C++高级特性，并引入更多实际项目案例，帮助大家更好地理解和应用所学知识。\r\n\r\n\r\n![](https:\u002F\u002Foss.infinitensor.com\u002Fprod\u002Fimages\u002FKnowledge_Base\u002FKB_01_zw6.jpg?Expires=1792752838&OSSAccessKeyId=LTAI5t9R6uzvTa69CT92cFvV&Signature=ZwRth4vKI1lmA8Y4THFk9als6XI%3D)\r\n\r\n\r\n### 📚 训练营报名持续进行中\r\n扫码报名与加入群聊，或点击 **「阅读原文」** 直达官网报名\r\n![](https:\u002F\u002Foss.infinitensor.com\u002Fprod\u002Fimages\u002FKnowledge_Base\u002FKB_01_zw7.jpg?Expires=1792752838&OSSAccessKeyId=LTAI5t9R6uzvTa69CT92cFvV&Signature=uxAgm6FPaH%2Bpzv9S8ucllx2qHnM%3D)",{"publishTime":7,"createTime":109,"canonicalPath":114,"id":115,"title":116},"\u002Fstudy-material\u002Fstudy-1","study-1","InfiniTensor冬季训练营实践编程基础课第一课《C++实践1》",107,"\u002Fstudy-material\u002Fstudy-2","study-2","markdown",{"publishTime":7,"createTime":109,"canonicalPath":122,"id":123,"title":124},"\u002Fstudy-material\u002Fstudy-3","study-3","InfiniTensor冬季训练营实践编程基础课第三课《C++实践3》",{"htmlContent":126,"headings":127},"\u003Cp>\u003Cimg src=\"https:\u002F\u002Foss.infinitensor.com\u002Fprod\u002Fimages\u002FKnowledge_Base\u002FKB_02_zw1.jpg?Expires=1792752838&OSSAccessKeyId=LTAI5t9R6uzvTa69CT92cFvV&Signature=in2ZzAqhRLoj07XZrX3k%2FM1yMG8%3D\" alt=\"\">\u003C\u002Fp>\n\u003Cp>1月6日，InfiniTensor 大模型与人工智能系统训练营编程基础课第二课开讲，课程主题为《\u003Ccode>C++\u003C\u002Fcode>实践2》。\u003C\u002Fp>\n\u003Cp>本课程通过实践形式，帮助学生掌握\u003Ccode>C++\u003C\u002Fcode>编程基础，同时引入命令行操作、版本管理工具Git以及代码风格规范等实用技能，提升综合编程能力。\u003C\u002Fp>\n\u003Ch3 id=\"函数优化与模块化设计\">\u003Ca class=\"anchor\" href=\"#函数优化与模块化设计\" aria-label=\"跳转到标题：函数优化与模块化设计\">\u003Cspan class=\"octicon octicon-link\">\u003C\u002Fspan>\u003C\u002Fa>函数优化与模块化设计\u003C\u002Fh3>\u003Cp>\u003Cstrong>1. 函数拆分与命名规范\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>问题：input函数功能冗余（输入与计算混合）。\u003C\u002Fli>\n\u003Cli>解决方案：拆分为input（输入）和calculate（计算）函数。\u003C\u002Fli>\n\u003Cli>命名规范：函数名应准确反映功能（如calculate替代原input中的计算部分）。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>2. 参数传递与常量修饰\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>引用传递：使用double&传递参数以避免拷贝。\u003C\u002Fli>\n\u003Cli>常量修饰：对无需修改的参数添加const（如const double& x）。\u003C\u002Fli>\n\u003Cli>示例：\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cpre>\u003Ccode class=\"language-cpp\">void input(double& x, double& y, char& op); \u002F\u002F 输入函数\ndouble calculate(const double& x, const double& y, const char& op); \u002F\u002F 计算函数\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Ch3 id=\"命令行工具与版本控制-git\">\u003Ca class=\"anchor\" href=\"#命令行工具与版本控制-git\" aria-label=\"跳转到标题：命令行工具与版本控制（Git）\">\u003Cspan class=\"octicon octicon-link\">\u003C\u002Fspan>\u003C\u002Fa>命令行工具与版本控制（Git）\u003C\u002Fh3>\u003Cp>\u003Cstrong>1. Git基础操作\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>初始化仓库：\u003Ccode>git init\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>状态查看：\u003Ccode>git status\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>添加文件：\u003Ccode>git add <file>\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>提交更改：\u003Ccode>git commit -m "message"\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>日志查看：\u003Ccode>git log\u003C\u002Fcode>\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>2. 版本管理实践\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>忽略生成文件：如编译结果main不应纳入版本控制。\u003C\u002Fli>\n\u003Cli>分阶段提交：通过git add选择部分更改提交，保持提交记录清晰。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3 id=\"代码风格与格式化工具\">\u003Ca class=\"anchor\" href=\"#代码风格与格式化工具\" aria-label=\"跳转到标题：代码风格与格式化工具\">\u003Cspan class=\"octicon octicon-link\">\u003C\u002Fspan>\u003C\u002Fa>代码风格与格式化工具\u003C\u002Fh3>\u003Cp>\u003Cstrong>1. 代码风格规范(如 Google 的 llvm)\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>缩进\u003C\u002Fli>\n\u003Cli>花括号位置\u003C\u002Fli>\n\u003Cli>行长度限制\u003C\u002Fli>\n\u003Cli>命名规则\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>2. 自动化格式化工具\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>Clang-Format：通过配置文件（.clang-format）统一代码风格。\u003C\u002Fli>\n\u003Cli>IDE集成：VS Code中通过快捷键Shift+Alt+F格式化代码。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3 id=\"c-进阶-数组与指针\">\u003Ca class=\"anchor\" href=\"#c-进阶-数组与指针\" aria-label=\"跳转到标题：C++进阶：数组与指针\">\u003Cspan class=\"octicon octicon-link\">\u003C\u002Fspan>\u003C\u002Fa>C++进阶：数组与指针\u003C\u002Fh3>\u003Cp>\u003Cstrong>1. 数组基础\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>定义与初始化：\u003Ccode>double numbers[2] = {1.0, 2.0};\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>访问元素：通过索引（如\u003Ccode>numbers[0]\u003C\u002Fcode>）。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>2. 指针与数组关系\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>指针本质：数组名即首元素地址（如\u003Ccode>numbers等价于&numbers[0]\u003C\u002Fcode>）。\u003C\u002Fli>\n\u003Cli>指针传递：函数参数中使用指针替代数组（如\u003Ccode>void process(double* arr, int size)\u003C\u002Fcode>）。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>3. 动态大小处理\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>循环遍历：使用for循环处理变长数组。\u003C\u002Fli>\n\u003Cli>示例：求和函数\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cpre>\u003Ccode class=\"language-cpp\">double sum(const double* numbers, int size) {\n    double result = 0.0;\n    for (int i = 0; i < size; ++i) {\n        result += numbers[i];\n    }\n    return result;\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Ch3 id=\"结构体与数据封装\">\u003Ca class=\"anchor\" href=\"#结构体与数据封装\" aria-label=\"跳转到标题：结构体与数据封装\">\u003Cspan class=\"octicon octicon-link\">\u003C\u002Fspan>\u003C\u002Fa>结构体与数据封装\u003C\u002Fh3>\u003Cp>\u003Cstrong>1. 结构体定义\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>目的：将相关数据绑定为一个整体（如size与data数组）。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Foss.infinitensor.com\u002Fprod\u002Fimages\u002FKnowledge_Base\u002FKB_02_zw2.jpg?Expires=1792752838&OSSAccessKeyId=LTAI5t9R6uzvTa69CT92cFvV&Signature=Mmyar9cBzHd7MtKs4%2Fv%2FCAFWU8c%3D\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cstrong>2. 结构体应用\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>简化函数参数：传递单个结构体而非多个独立参数。\u003C\u002Fli>\n\u003Cli>内存管理：动态分配数组时需手动释放内存。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3 id=\"变长输入处理与字符串流\">\u003Ca class=\"anchor\" href=\"#变长输入处理与字符串流\" aria-label=\"跳转到标题：变长输入处理与字符串流\">\u003Cspan class=\"octicon octicon-link\">\u003C\u002Fspan>\u003C\u002Fa>变长输入处理与字符串流\u003C\u002Fh3>\u003Cp>\u003Cstrong>1. 行输入处理\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>getline函数：读取整行输入（如getline(cin, line)）。\u003C\u002Fli>\n\u003Cli>字符串流（stringstream）：解析行中的多个数值。\u003C\u002Fli>\n\u003Cli>示例：\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cpre>\u003Ccode class=\"language-cpp\">string line;\ngetline(cin, line);\nistringstream iss(line);\ndouble num;\nwhile (iss >> num) {\n    \u002F\u002F 处理每个数值\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>\u003Cstrong>2. 终止条件设计\u003C\u002Fstrong>\u003Cbr>行结束标志：以换行符为输入终止条件，支持变长操作数。\u003C\u002Fp>\n\u003Ch3 id=\"总结与展望\">\u003Ca class=\"anchor\" href=\"#总结与展望\" aria-label=\"跳转到标题：总结与展望\">\u003Cspan class=\"octicon octicon-link\">\u003C\u002Fspan>\u003C\u002Fa>总结与展望\u003C\u002Fh3>\u003Cp>本节课通过实践形式，帮助学生掌握了C+ +编程基础、命令行操作、Git版本管理以及代码风格规范等实用技能。通过模块化编程思维和良好代码习惯的培养，可以具备独立开发小型项目的能力。后续课程将继续深入讲解C++高级特性，并引入更多实际项目案例，帮助大家更好地理解和应用所学知识。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Foss.infinitensor.com\u002Fprod\u002Fimages\u002FKnowledge_Base\u002FKB_01_zw6.jpg?Expires=1792752838&OSSAccessKeyId=LTAI5t9R6uzvTa69CT92cFvV&Signature=ZwRth4vKI1lmA8Y4THFk9als6XI%3D\" alt=\"\">\u003C\u002Fp>\n\u003Ch3 id=\"训练营报名持续进行中\">\u003Ca class=\"anchor\" href=\"#训练营报名持续进行中\" aria-label=\"跳转到标题：📚 训练营报名持续进行中\">\u003Cspan class=\"octicon octicon-link\">\u003C\u002Fspan>\u003C\u002Fa>📚 训练营报名持续进行中\u003C\u002Fh3>\u003Cp>扫码报名与加入群聊，或点击 \u003Cstrong>「阅读原文」\u003C\u002Fstrong> 直达官网报名\u003Cbr>\u003Cimg src=\"https:\u002F\u002Foss.infinitensor.com\u002Fprod\u002Fimages\u002FKnowledge_Base\u002FKB_01_zw7.jpg?Expires=1792752838&OSSAccessKeyId=LTAI5t9R6uzvTa69CT92cFvV&Signature=uxAgm6FPaH%2Bpzv9S8ucllx2qHnM%3D\" alt=\"\">\u003C\u002Fp>\n",[128,130,133,135,138,140,142,144],{"id":129,"text":129,"level":9},"函数优化与模块化设计",{"id":131,"text":132,"level":9},"命令行工具与版本控制-git","命令行工具与版本控制（Git）",{"id":134,"text":134,"level":9},"代码风格与格式化工具",{"id":136,"text":137,"level":9},"c-进阶-数组与指针","C++进阶：数组与指针",{"id":139,"text":139,"level":9},"结构体与数据封装",{"id":141,"text":141,"level":9},"变长输入处理与字符串流",{"id":143,"text":143,"level":9},"总结与展望",{"id":145,"text":146,"level":9},"训练营报名持续进行中","📚 训练营报名持续进行中"]