Eroare de compilare: user.cpp:5:1: error: ‘ifstream’ does not name a type ifstream fin("cmmdc.in"); ^ user.cpp:6:1: error: ‘ofstream’ does not name a type ofstream fout("cmmdc.out"); ^ user.cpp: In function ‘int main()’: user.cpp:13:2: error: ‘fin’ was not declared in this scope fin >> a; ^ user.cpp:25:2: error: ‘fout’ was not declared in this scope fout << b; ^