Eroare de compilare: user.cpp:1: error: ‘ifstream’ does not name a type user.cpp:2: error: ‘ofstream’ does not name a type user.cpp:12: error: expected constructor, destructor, or type conversion before ‘<’ token user.cpp:15: error: expected constructor, destructor, or type conversion before ‘<’ token user.cpp: In function ‘int main()’: user.cpp:22: error: ‘f’ was not declared in this scope user.cpp:27: error: ‘a’ was not declared in this scope user.cpp:27: error: ‘mod’ was not declared in this scope user.cpp:50: error: ‘mod’ was not declared in this scope user.cpp:52: error: ‘it’ was not declared in this scope user.cpp:52: error: ‘a’ was not declared in this scope user.cpp:64: error: ‘g’ was not declared in this scope