Eroare de compilare: user.cpp:2:8: error: ‘ifstream’ does not name a type ifstream f("int.in"); ^ user.cpp:3:8: error: ‘ofstream’ does not name a type ofstream g("int.out"); ^ user.cpp: In function ‘int main()’: user.cpp:43:1: error: ‘f’ was not declared in this scope f>>n; ^ user.cpp:50:5: error: ‘g’ was not declared in this scope g<<s; ^