原题链接

#include <iostream>
using namespace std;
string s1="#include <iostream>\nusing namespace std;\nstring s1=";
string s2=";int main(){cout<<s1<<s1<<\"\\\"string s2=\\\"\"<<s2<<s2;}";int main(){cout <<s1<<"\"#include <iostream>\\nusing namespace std;\\nstring s1="<<"\";\nstring s2=\""<<s2<<s2;}