Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:6:1: error: ‘ifstream’ was not declared in this scope ifstream f("elicop.in"); ^ user.cpp:6:10: error: expected ‘;’ before ‘f’ ifstream f("elicop.in"); ^ user.cpp:7:1: error: ‘ofstream’ was not declared in this scope ofstream g("elicop.out"); ^ user.cpp:7:10: error: expected ‘;’ before ‘g’ ofstream g("elicop.out"); ^ user.cpp:8:1: error: ‘f’ was not declared in this scope f>>m; ^ user.cpp:39:1: error: ‘g’ was not declared in this scope g<<suma; ^