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#include <iostream>
using namespace std;
int main()
{
char a='/n',b='/r',c='/n/r';
cout << "aaa" << " aaa";
cout << a;
cout << "aaaaaa";
cout << b;
cout << "aaaa";
cout << c;
if (a==c)
{
cout << "'//n'=='//n//c'";
}
return 0;
}