Eroare de compilare: In file included from /usr/include/c++/4.4/algorithm:62, from user.cpp:3: /usr/include/c++/4.4/bits/stl_algo.h: In function ‘const _Tp& std::__median(const _Tp&, const _Tp&, const _Tp&) [with _Tp = muchie]’: /usr/include/c++/4.4/bits/stl_algo.h:2268: instantiated from ‘void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<muchie*, std::vector<muchie, std::allocator<muchie> > >, _Size = int]’ /usr/include/c++/4.4/bits/stl_algo.h:5220: instantiated from ‘void std::sort(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<muchie*, std::vector<muchie, std::allocator<muchie> > >]’ user.cpp:50: instantiated from here /usr/include/c++/4.4/bits/stl_algo.h:89: error: passing ‘const muchie’ as ‘this’ argument of ‘int muchie::operator<(muchie)’ discards qualifiers /usr/include/c++/4.4/bits/stl_algo.h:90: error: passing ‘const muchie’ as ‘this’ argument of ‘int muchie::operator<(muchie)’ discards qualifiers /usr/include/c++/4.4/bits/stl_algo.h:92: error: passing ‘const muchie’ as ‘this’ argument of ‘int muchie::operator<(muchie)’ discards qualifiers /usr/include/c++/4.4/bits/stl_algo.h:96: error: passing ‘const muchie’ as ‘this’ argument of ‘int muchie::operator<(muchie)’ discards qualifiers /usr/include/c++/4.4/bits/stl_algo.h:98: error: passing ‘const muchie’ as ‘this’ argument of ‘int muchie::operator<(muchie)’ discards qualifiers