Eroare de compilare: user.cpp:2:1: error: ‘ifstream’ does not name a type ifstream fin("submultimi.in"); ^ user.cpp:3:1: error: ‘ofstream’ does not name a type ofstream fout("submultimi.out"); ^ user.cpp: In function ‘void back(int)’: user.cpp:12:17: error: ‘fout’ was not declared in this scope fout<<i<<" "; ^ user.cpp:13:17: error: ‘fout’ was not declared in this scope fout<<'\n'; ^ user.cpp: In function ‘int main()’: user.cpp:24:5: error: ‘fin’ was not declared in this scope fin>>n; ^