Eroare de compilare: user.cpp:3:1: error: ‘ifstream’ does not name a type ifstream f("cmmdc.in"); ^ user.cpp:4:1: error: ‘ofstream’ does not name a type ofstream g("cmmdc.out"); ^ user.cpp: In function ‘int main()’: user.cpp:7:2: error: ‘f’ was not declared in this scope {f<<"a=";g>>a; ^ user.cpp:7:10: error: ‘g’ was not declared in this scope {f<<"a=";g>>a; ^