#include using namespace std; struct Studente{ string nome, cognome, matricola; int annoCorso; }; ostream& operator<<(ostream& outputStream, const Studente& st){ //la keyword const non รจ obbligatoria, ma meglio metterla return outputStream<>(istream& inputStream, Studente& st){ return inputStream>>st.nome>>st.cognome>>st.matricola>>st.annoCorso; } int main(){ Studente s; cin>>s; cout<