无聊了敲个警钟

音量小点…回车退出…

#include <bits/stdc++.h>
#include <windows.h>

#define LLL1 1046
#define LLL3 1319
#define LLL5 1568

#define G 250*1.25
#define H 12.5*1.25

#define S(i) Sleep(i)
#define W(i,j) Beep(i,j)
using namespace std;
HWND hwnd=GetForegroundWindow();
int main () {
    ShowWindow(hwnd,SW_MAXIMIZE);
    if(MessageBox(NULL,"DANGER是否进入","危险",MB_YESNO|MB_ICONEXCLAMATION)!=IDYES){
        return 0;
    }
    int cn=0;
    while(1){
        cout<<"DANGER ";
        cn++;
        if(cn==30){
            cout<<endl;
        } 
        W(LLL5,G);S(H);
        system("color 41");
        if(GetAsyncKeyState(VK_RETURN) &0x8000){
            return 0; 
        }
        cout<<"DANGER ";
        cn++;
        if(cn==30){
            cout<<endl;
        } 
        W(LLL1,G);S(H);
        if(GetAsyncKeyState(VK_RETURN) &0x8000){
            return 0; 
        }
        cout<<"DANGER ";
        cn++;
        if(cn==30){
            cout<<endl;
        } 
        W(LLL5,G);S(H);
        system("color 14");
        if(GetAsyncKeyState(VK_RETURN) &0x8000){
            return 0; 
        }
        cout<<"DANGER ";
        cn++;
        if(cn==30){
            cout<<endl;
        } 
        W(LLL1,G);S(H);
        if(GetAsyncKeyState(VK_RETURN) &0x8000){
            return 0; 
        }
        cout<<"DANGER ";
        cn++;
        if(cn==30){
            cout<<endl;
        } 
    }

    return 0;
}