Eroare de compilare: user.cpp:1:21: error: iostream.h: No such file or directory user.cpp:2:20: error: fstream.h: No such file or directory user.cpp:4: error: ‘ifstream’ does not name a type user.cpp: In function ‘long int unu(long int)’: user.cpp:8: error: ‘f’ was not declared in this scope user.cpp: In function ‘long int doi(long int)’: user.cpp:42: error: ‘f’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:81: error: ‘ofstream’ was not declared in this scope user.cpp:81: error: expected ‘;’ before ‘g’ user.cpp:82: error: ‘f’ was not declared in this scope user.cpp:119: error: ‘g’ was not declared in this scope user.cpp:119: error: ‘endl’ was not declared in this scope user.cpp:122: error: ‘g’ was not declared in this scope