Eroare de compilare: user.cpp:6:1: error: ‘ifstream’ does not name a type ifstream f("cifra.in"); ^ user.cpp:7:1: error: ‘ofstream’ does not name a type ofstream g("cifra.out"); ^ user.cpp: In function ‘int main()’: user.cpp:20:2: error: ‘f’ was not declared in this scope f>>t1; ^ user.cpp:42:3: error: ‘g’ was not declared in this scope g<<c<<endl; ^ user.cpp:42:9: error: ‘endl’ was not declared in this scope g<<c<<endl; ^ user.cpp:42:9: note: suggested alternative: In file included from /usr/local/include/c++/4.8.0/istream:39:0, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:2: /usr/local/include/c++/4.8.0/ostream:564:5: note: ‘std::endl’ endl(basic_ostream<_CharT, _Traits>& __os) ^