Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:24:1: error: ‘cin’ was not declared in this scope cin>>k; ^ user.cpp:30:2: error: ‘cout’ was not declared in this scope cout<<"Elementul cautat se afla in sir"<<endl; ^ user.cpp:31:6: error: ‘cout’ was not declared in this scope else cout<<"Elementul cautat NU se afla in sir"<<endl; ^