first init
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# 1. 指定CMake最低版本要求
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cmake_minimum_required(VERSION 3.10)
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# 2. 设置项目信息
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project(
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LeetCodeSolution # 项目名称(可根据题目修改)
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VERSION 1.0.0 # 项目版本
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DESCRIPTION "LeetCode Solution Template"
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LANGUAGES CXX # 支持的语言
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)
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# 3. 设置C++标准和编译特性
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set(CMAKE_CXX_STANDARD 17) # 使用C++17标准
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set(CMAKE_CXX_STANDARD_REQUIRED ON) # 必须支持指定标准
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set(CMAKE_CXX_EXTENSIONS OFF) # 禁用编译器特有扩展
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# 4. 配置构建类型和编译选项
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE Debug) # 默认构建类型为Debug(便于调试)
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endif()
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# 公共编译选项
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add_compile_options(
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"$<$<CONFIG:Release>:-O2>" # Release模式优化
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"$<$<CONFIG:Debug>:-g>" # Debug模式包含调试信息
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"$<$<CONFIG:Debug>:-O0>" # Debug模式不优化
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)
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# 平台特定选项
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if(MSVC)
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add_compile_options(/W3) # MSVC: 警告等级3(刷题时不需要太严格)
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else()
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add_compile_options(-Wall -Wextra) # GCC/Clang: 常用警告
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endif()
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# 5. 源文件收集
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file(GLOB_RECURSE SOURCES "src/*.cpp") # 递归收集源文件
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# 6. 创建可执行文件目标
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add_executable(${PROJECT_NAME} ${SOURCES})
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# 7. 自定义目标:运行程序
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add_custom_target(run
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COMMAND ${PROJECT_NAME}
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DEPENDS ${PROJECT_NAME}
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COMMENT "运行 ${PROJECT_NAME}..."
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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)
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