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#include <iostream>
using namespace std;
int main() {
int x=3;
int const &rx = x; // Seems like a constant reference, but it's not!
//int & const rx = x; // Compile error: a true constant reference, which is illegal
int* const px = &x;
//rx = 33; // Compile error, can't assign through a constant ref.
//px++; // Compile error, because the pointer value is constant!
*px =33; // This is fine, because only the pointer value is constant!
cout << *px << endl;
return 0;
};