Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:8:6: error: cannot bind ‘std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}’ lvalue to ‘std::basic_istream<char>&&’ f>>n>>g; ^ In file included from /usr/include/c++/4.8/fstream:38:0, from user.cpp:1: /usr/include/c++/4.8/istream:872:5: error: initializing argument 1 of ‘std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = std::basic_ofstream<char>]’ operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x) ^ user.cpp:11:14: error: invalid user-defined conversion from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘int’ [-fpermissive] for(j=g; j>=w; j--) ^ In file included from /usr/include/c++/4.8/ios:44:0, 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/bits/basic_ios.h:115:7: note: candidate is: std::basic_ios<_CharT, _Traits>::operator void*() const [with _CharT = char; _Traits = std::char_traits<char>] <near match> operator void*() const ^ /usr/include/c++/4.8/bits/basic_ios.h:115:7: note: no known conversion for implicit ‘this’ parameter from ‘void*’ to ‘int’ user.cpp:15:9: error: no match for ‘operator[]’ (operand types are ‘int [10001]’ and ‘std::ofstream {aka std::basic_ofstream<char>}’) g<<v[g]; ^