Eroare de compilare: user.cpp: In function ‘void addEdges(double)’: user.cpp:70:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Stalpi.size(); i++) ^ user.cpp:71:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<Stalpi.size(); j++) ^ user.cpp: In function ‘int DFS(int)’: user.cpp:92:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:122:6: error: no match for ‘operator>>’ (operand types are ‘Reader’ and ‘int’) f>>m>>n>>k; ^ user.cpp:122:6: note: candidates are: user.cpp:15:20: note: Reader& Reader::operator>>(long long int&) inline Reader &operator >>(long long &n) ^ user.cpp:15:20: note: no known conversion for argument 1 from ‘int’ to ‘long long int&’ user.cpp:30:20: note: Reader& Reader::operator>>(char&) inline Reader &operator >>(char &n) ^ user.cpp:30:20: note: no known conversion for argument 1 from ‘int’ to ‘char&’ In file included from /usr/include/c++/4.8/string:53:0, 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/sstream:38, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from user.cpp:1: /usr/include/c++/4.8/bits/basic_string.tcc:996:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::basic_string<_CharT, _Traits, _Alloc>&) operator>>(basic_istream<_CharT, _Traits>& __in, ^ /usr/include/c++/4.8/bits/basic_string.tcc:996:5: note: template argument deduction/substitution failed: user.cpp:122:8: note: ‘Reader’ is not derived from ‘std::basic_istream<_CharT, _Traits>’ f>>m>>n>>k; ^ In file included from /usr/include/c++/4.8/istream:879:0, from /usr/include/c++/4.8/sstream:38, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from user.cpp:1: /usr/include/c++/4.8/bits/istream.tcc:955:5: note: template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*) operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s) ^