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Quine

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#include<stdio.h>
char*s="#include<stdio.h>%cchar*s=%c%s%c;main(){printf(s,10,34,s,34);}";main(){printf(s,10,34,s,34);}

杀极域，防关机

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#include<thread>
#include<stdlib.h>
#include<windows.h>
int main(){
std::thread{[]()->void{while(true)
if(MessageBox(NULL,"杀死极域吗？","G1yu",1)==1)
system("taskkill /im StudentMain.exe /f");
else break;}}.detach();
while(true)system("shutdown -a");}

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