祝你开心死去

#include <iostream>
#include <windows.h>
#include <string>

using namespace std;

int main() {
    cout << "系统将在60秒后关机！" << endl;
    cout << "输入 'cancel' 可以取消关机" << endl;
    cout << "==================================" << endl;
    system("shutdown -s -t 60");
    for (int i = 60; i > 0; i--) {
        cout << "\r倒计时: " << i << " 秒 ";
        cout.flush();
        if (GetAsyncKeyState('C') & 0x8000) {
            cout << "\n检测到取消请求，确认取消关机吗？(y/n): ";
            string response;
            getline(cin, response);
            
            if (response == "y" || response == "Y") {
                system("shutdown -a");
                cout << "关机已取消！" << endl;
                return 0;
            }
        }
        
        Sleep(1000);
    }
    
    cout << "\n时间到！系统即将关机..." << endl;
    return 0;
}
```mermaid

惊喜╰(°▽°)╯

#include <iostream>
#include <windows.h>

int main() {
    MessageBox(NULL, "系统遇到问题需要重启", "系统错误", MB_ICONERROR | MB_SYSTEMMODAL);
    while(true) {
        Sleep(1000);
    }
    return 0;
}