Eroare de compilare: user.cpp:4:1: error: ‘ifstream’ does not name a type ifstream in("prim.in"); ^ user.cpp:5:1: error: ‘ofstream’ does not name a type ofstream out("prim.out"); ^ user.cpp: In function ‘int main()’: user.cpp:11:8: error: ‘in’ was not declared in this scope in>>n; ^ user.cpp:14:10: error: ‘out’ was not declared in this scope out<<"9"; ^ user.cpp:27:17: error: ‘out’ was not declared in this scope out<<i*i; ^