Eroare de compilare: user.cpp:2:1: error: ‘ifstream’ does not name a type ifstream fin("perm2.in"); ^ user.cpp:3:1: error: ‘ofstream’ does not name a type ofstream fout("perm2.out"); ^ user.cpp: In function ‘void afisare()’: user.cpp:17:9: error: ‘cout’ was not declared in this scope cout<<v[a]<<" "; ^ user.cpp:19:5: error: ‘cout’ was not declared in this scope cout<<endl; ^ user.cpp: In function ‘int main()’: user.cpp:33:5: error: ‘fin’ was not declared in this scope fin>>n; ^ user.cpp:57:5: error: ‘fout’ was not declared in this scope fout<<l; ^