Eroare de compilare: user.cpp:1: error: stray ‘##’ in program user.cpp:1: error: expected constructor, destructor, or type conversion before ‘<’ token user.cpp: In function ‘int main()’: user.cpp:7: error: ‘ifstream’ was not declared in this scope user.cpp:7: error: expected ‘;’ before ‘cin’ user.cpp:8: error: ‘ofstream’ was not declared in this scope user.cpp:8: error: expected ‘;’ before ‘cout’ user.cpp:9: error: ‘cin’ was not declared in this scope user.cpp:20: error: ‘cout’ was not declared in this scope