Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:24:29: error: cannot bind ‘std::basic_ostream<char>’ lvalue to ‘std::basic_ostream<char>&&’ if (tip == 3) g<< M.find(x) != M.end()<<"\n"; ^ 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:602:5: error: initializing argument 1 of ‘std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&&, const _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = std::_Rb_tree_iterator<std::pair<const int, int> >]’ operator<<(basic_ostream<_CharT, _Traits>&& __os, const _Tp& __x) ^ user.cpp:24:41: error: no match for ‘operator<<’ (operand types are ‘std::map<int, int>::iterator {aka std::_Rb_tree_iterator<std::pair<const int, int> >}’ and ‘const char [2]’) if (tip == 3) g<< M.find(x) != M.end()<<"\n"; ^ user.cpp:24:41: note: candidates are: In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, 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_string.h:2753:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::basic_string<_CharT, _Traits, _Alloc>&) operator<<(basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/4.8/bits/basic_string.h:2753:5: note: template argument deduction/substitution failed: user.cpp:24:43: note: ‘std::map<int, int>::iterator {aka std::_Rb_tree_iterator<std::pair<const int, int> >}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ if (tip == 3) g<< M.find(x) != M.end()<<"\n"; ^ 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:471:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT) operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) ^ /usr/include/c++/4.8/ostream:471:5: note: template argument deduction/substitution failed: user.cpp:24:43: note: ‘std::map<int, int>::iterator {aka std::_Rb_tree_iterator<std::pair<const int, int> >}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ if (tip == 3) g<< M.find(x) != M.end()<<"\n"; ^ 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:476:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char) operator<<(basic_ostream<_CharT, _Traits>& __out, char __c) ^ /usr/include/c++/4.8/ostream:476:5: note: template argument deduction/substitution failed: user.cpp:24:43: note: ‘std::map<int, int>::iterator {aka std::_Rb_tree_iterator<std::pair<const int, int> >}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’ if (tip == 3) g<< M.find(x) != M.end()<<"\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38,