#include #include #include #include using namespace std;

int main() { cout << "========== C++ 代码执行器 ==========" << endl; cout << "请输入 C++ 代码，最后一行输入 END 结束输入：" << endl; cout << endl;

// 打开临时文件写入用户代码
ofstream codeFile("temp_user_code.cpp");
if (!codeFile.is_open()) {
    cout << "错误：无法创建临时文件！" << endl;
    return 1;
}

string line;
while (true) {
    getline(cin, line);
    if (line == "END") {
        break;
    }
    codeFile << line << endl;
}
codeFile.close();

cout << endl;
cout << "正在编译 temp_user_code.cpp ..." << endl;

// 编译用户代码
string compileCmd = "g++ -std=c++14 temp_user_code.cpp -o temp_user_code.exe 2>compile_error.txt";
int compileResult = system(compileCmd.c_str());

// 检查是否有编译错误
ifstream errorFile("compile_error.txt");
bool hasError = false;
string errorContent = "";
string errorLine;
while (getline(errorFile, errorLine)) {
    if (!errorLine.empty()) {
        hasError = true;
        errorContent += errorLine + "\n";
    }
}
errorFile.close();

if (compileResult != 0 || hasError) {
    cout << endl;
    cout << "===== 编译失败 =====" << endl;
    cout << errorContent;
    cout << "=====================" << endl;
    remove("temp_user_code.cpp");
    remove("compile_error.txt");
    return 1;
}

cout << "编译成功！" << endl;
cout << endl;
cout << "===== 运行结果 =====" << endl;

// 运行编译好的程序
int runResult = system("temp_user_code.exe");

cout << "=====================" << endl;
cout << endl;

if (runResult == 0) {
    cout << "程序运行成功，返回值：0" << endl;
} else {
    cout << "程序运行出错，返回值：" << runResult << endl;
}

// 清理临时文件
remove("temp_user_code.cpp");
remove("temp_user_code.exe");
remove("compile_error.txt");

cout << endl;
system("pause");
return 0;

}