init
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102
.gitignore
vendored
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102
.gitignore
vendored
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# ========== CMake Build Files ==========
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# CMake build directory
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build/
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cmake_build/
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out/
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.cache/
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# ========== IDE and Editor Files ==========
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# Visual Studio
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*.vs/
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.vs/
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*.sln
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*.vcxproj
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*.vcxproj.filters
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*.vcxproj.user
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# VS Code
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.vscode/
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*.code-workspace
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# JetBrains IDEs
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.idea/
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*.iml
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*.iws
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*.ipr
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# Eclipse
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.eclipse/
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.settings/
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.project
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.classpath
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# Vim/Neovim
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*.swp
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*.swo
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*~
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.*.swp
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# Sublime Text
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*.sublime-project
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*.sublime-workspace
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# ========== Compiler and Build Artifacts ==========
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# Object files
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*.o
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*.obj
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*.a
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*.lib
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*.so
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*.dylib
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*.dll
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# Executables
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*.exe
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*.out
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*.app
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# ========== OS-specific Files ==========
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# macOS
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.DS_Store
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.AppleDouble
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.LSOverride
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*.swp
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# Windows
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Thumbs.db
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ehthumbs.db
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Desktop.ini
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$RECYCLE.BIN/
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# Linux
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.directory
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# ========== Dependency and Package Files ==========
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# Python
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__pycache__/
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*.py[cod]
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*$py.class
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*.egg-info/
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dist/
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build/
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# Node.js
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node_modules/
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npm-debug.log
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yarn-error.log
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# ========== Temporary and Log Files ==========
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# CMake
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CMake.log
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CMakeUserPresets.json
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# Compilation database
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compile_commands.json
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# Log files
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*.log
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# Temporary files
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*.tmp
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*.temp
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.temp/
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70
CMakeLists.txt
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70
CMakeLists.txt
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# 指定CMake最低版本为3.16
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cmake_minimum_required(VERSION 3.16)
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# 项目名称:singlefile_practice,支持C和C++两种语言
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project(singlefile_practice LANGUAGES C CXX)
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# ========== C语言标准设置 ==========
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# 使用C11标准
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set(CMAKE_C_STANDARD 11)
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# 要求严格遵循C标准,不允许编译器扩展
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set(CMAKE_C_STANDARD_REQUIRED ON)
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# 禁用编译器特定的扩展
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set(CMAKE_C_EXTENSIONS OFF)
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# ========== C++语言标准设置 ==========
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# 使用C++17标准
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set(CMAKE_CXX_STANDARD 17)
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# 要求严格遵循C++标准,不允许编译器扩展
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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# 禁用编译器特定的扩展
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# 禁用编译器特定的扩展
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set(CMAKE_CXX_EXTENSIONS OFF)
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# ========== 包含目录设置 ==========
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# 添加include目录到编译器的头文件搜索路径
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include_directories("./include")
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# ========== 源文件自动发现 ==========
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# 定义源代码根目录
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# 定义源代码根目录
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set(SOURCE_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/src")
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# 递归搜索src目录下所有C/C++源文件(.c .cc .cpp .cxx)
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# CONFIGURE_DEPENDS: 如果文件列表变化,自动重新运行CMake配置
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file(GLOB_RECURSE PRACTICE_SOURCES CONFIGURE_DEPENDS
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"${SOURCE_ROOT}/*.c"
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"${SOURCE_ROOT}/*.cc"
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"${SOURCE_ROOT}/*.cpp"
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"${SOURCE_ROOT}/*.cxx"
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)
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# 如果没有找到源文件,输出警告信息
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if(NOT PRACTICE_SOURCES)
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message(WARNING "No C/C++ source files found under ${SOURCE_ROOT}")
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endif()
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# ========== 自动为每个源文件创建可执行文件目标 ==========
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# 遍历所有找到的源文件
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foreach(SOURCE_FILE IN LISTS PRACTICE_SOURCES)
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# 计算源文件相对于src目录的相对路径
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file(RELATIVE_PATH REL_PATH "${SOURCE_ROOT}" "${SOURCE_FILE}")
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# 将路径中的反斜杠和正斜杠替换为下划线
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string(REPLACE "\\" "_" TARGET_NAME "${REL_PATH}")
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string(REPLACE "/" "_" TARGET_NAME "${TARGET_NAME}")
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# 将文件名中的点替换为下划线(例如:hello.c -> hello_c)
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string(REPLACE "." "_" TARGET_NAME "${TARGET_NAME}")
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# 为该源文件创建可执行文件目标
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add_executable(${TARGET_NAME} "${SOURCE_FILE}")
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# 设置可执行文件的输出目录为 build/bin
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set_target_properties(${TARGET_NAME} PROPERTIES
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RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin"
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)
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# 输出编译日志信息
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message(STATUS "Add target: ${TARGET_NAME} <- ${REL_PATH}")
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endforeach()
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59
README.md
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59
README.md
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# CMake 单文件练习项目
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## 项目说明
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这是一个基于CMake的练习项目,用于演示如何使用CMake自动发现和编译src目录下的C/C++源文件。
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## 项目结构
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```
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cmake_singlefile_run/
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├── CMakeLists.txt # CMake配置文件
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├── README.md # 项目说明(本文件)
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├── include/ # 头文件目录
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├── src/ # 源代码目录
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│ ├── hello.c # C语言示例(for循环打印0-10)
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│ └── hello_cpp.cc # C++语言示例(for循环打印0-10)
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└── build/ # 编译输出目录(自动生成)
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└── bin/ # 可执行文件输出目录
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```
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## 编译和运行
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### 编译
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```bash
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mkdir -p build
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cd build
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cmake ..
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cmake --build .
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```
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### 运行
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```bash
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# 运行C语言版本
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./bin/hello_c
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# 运行C++版本
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./bin/hello_cpp_cc
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```
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## CMakeLists.txt 说明
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项目使用CMake配置,特点包括:
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- **自动源文件发现**:自动搜索 `src` 目录下所有 `.c .cc .cpp .cxx` 源文件
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- **自动目标生成**:为每个源文件自动创建对应的可执行文件目标
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- **标准设置**:
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- C语言:C11 标准
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- C++语言:C++17 标准
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- **输出目录**:所有可执行文件输出到 `build/bin` 目录
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## 功能演示
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两个示例程序都使用for循环打印i=0到10的数值:
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### C版本(hello.c)
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使用 `printf()` 打印输出
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### C++版本(hello.cc)
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使用 `std::cout` 打印输出
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8
src/hello.c
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8
src/hello.c
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#include <stdio.h>
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int main() {
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for (int i = 0; i <= 10; i++) {
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printf("i=%d\n", i);
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}
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return 0;
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}
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8
src/hello.cc
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8
src/hello.cc
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#include <iostream>
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int main() {
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for (int i = 0; i <= 10; i++) {
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std::cout << "i=" << i << std::endl;
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}
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return 0;
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}
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Reference in New Issue
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