Eroare de compilare: user.cpp:2:1: error: ‘ifstream’ does not name a type ifstream in("cmmdc.in"); ^ user.cpp:3:1: error: ‘ofstream’ does not name a type ofstream out("cmmdc.out"); ^ user.cpp: In function ‘int main()’: user.cpp:8:3: error: ‘in’ was not declared in this scope in>>a>>b; ^ user.cpp:15:3: error: ‘out’ was not declared in this scope out<<0; ^