Eroare de compilare: user.cpp:2:1: error: ‘ifstream’ does not name a type ifstream fin("modulo.in"); ^ user.cpp:3:1: error: ‘ofstream’ does not name a type ofstream fout("modulo.out"); ^ user.cpp: In function ‘int main()’: user.cpp:9:5: error: ‘cin’ was not declared in this scope cin>>A>>B>>C; ^ user.cpp:14:5: error: ‘cout’ was not declared in this scope cout<<p; ^