Eroare de compilare: user.cpp:9:1: error: ‘ofstream’ does not name a type ofstream g(Fout); ^ user.cpp: In function ‘void read_data()’: user.cpp:15:3: error: ‘ifstream’ was not declared in this scope ifstream f(Fin); ^ user.cpp:15:3: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/iosfwd:157:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^ user.cpp:15:12: error: expected ‘;’ before ‘f’ ifstream f(Fin); ^ user.cpp:16:3: error: ‘f’ was not declared in this scope f>>N; ^ user.cpp: In function ‘void drum(int, int, int)’: user.cpp:42:20: error: ‘g’ was not declared in this scope if(x==0 && y==0) g<<1<<" "<<1<<'\n'; ^ user.cpp:50:13: error: ‘g’ was not declared in this scope g<<x+1<<" "<<y+1<<endl; ^ user.cpp:50:31: error: ‘endl’ was not declared in this scope g<<x+1<<" "<<y+1<<endl; ^ user.cpp:50:31: note: suggested alternative: In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/ostream:564:5: note: ‘std::endl’ endl(basic_ostream<_CharT, _Traits>& __os) ^ user.cpp:57:13: error: ‘g’ was not declared in this scope g<<x+1<<" "<<y+1<<endl;} ^ user.cpp:57:31: error: ‘endl’ was not declared in this scope g<<x+1<<" "<<y+1<<endl;} ^ user.cpp:57:31: note: suggested alternative: In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/ostream:564:5: note: ‘std::endl’ endl(basic_ostream<_CharT, _Traits>& __os)