Eroare de compilare: user.cpp:53:21: warning: multi-character character constant [-Wmultichar] cout << '-1\n'; ^ user.cpp: In function ‘int main()’: user.cpp:14:5: error: ‘cin’ was not declared in this scope cin >> teste; ^ user.cpp:50:17: error: ‘cout’ was not declared in this scope cout << a[i] << " "; ^ user.cpp:51:13: error: ‘cout’ was not declared in this scope cout << '\n'; ^ user.cpp:53:13: error: ‘cout’ was not declared in this scope cout << '-1\n'; ^