Eroare de compilare: user.cpp:4:19: warning: "/*" within comment user.cpp:66:7: warning: no newline at end of file /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_algo.h: In function 'const _Tp& std::__median(const _Tp&, const _Tp&, const _Tp&, _Compare) [with _Tp = interval, _Compare = bool (*)(interval&, interval&)]': /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_algo.h:2679: instantiated from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = interval*, _Size = int, _Compare = bool (*)(interval&, interval&)]' /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_algo.h:2749: instantiated from 'void std::sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = interval*, _Compare = bool (*)(interval&, interval&)]' user.cpp:47: instantiated from here /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_algo.h:125: error: invalid initialization of reference of type 'interval&' from expression of type 'const interval' /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_algo.h:126: error: invalid initialization of reference of type 'interval&' from expression of type 'const interval' /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_algo.h:128: error: invalid initialization of reference of type 'interval&' from expression of type 'const interval' /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_algo.h:132: error: invalid initialization of reference of type 'interval&' from expression of type 'const interval' /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_algo.h:134: error: invalid initialization of reference of type 'interval&' from expression of type 'const interval'