Eroare de compilare: user.cpp: In function ‘void Update(const int&, int)’: user.cpp:48:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < a[knot].size(); i++) ^ user.cpp: In function ‘void Precalc(const int&)’: user.cpp:56:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < a[knot].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:86:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (_index < v.size() && v[_index].time <= time) ^ In file included from /usr/include/c++/4.8/algorithm:62:0, from user.cpp:6: /usr/include/c++/4.8/bits/stl_algo.h: In instantiation of ‘_RandomAccessIterator std::__unguarded_partition(_RandomAccessIterator, _RandomAccessIterator, const _Tp&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<Eveniment*, std::vector<Eveniment> >; _Tp = Eveniment]’: /usr/include/c++/4.8/bits/stl_algo.h:2307:70: required from ‘_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<Eveniment*, std::vector<Eveniment> >]’ /usr/include/c++/4.8/bits/stl_algo.h:2338:54: required from ‘void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<Eveniment*, std::vector<Eveniment> >; _Size = int]’ /usr/include/c++/4.8/bits/stl_algo.h:5475:36: required from ‘void std::sort(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<Eveniment*, std::vector<Eveniment> >]’ user.cpp:78:25: required from here /usr/include/c++/4.8/bits/stl_algo.h:2269:19: error: passing ‘const Eveniment’ as ‘this’ argument of ‘bool Eveniment::operator<(const Eveniment&)’ discards qualifiers [-fpermissive] while (__pivot < *__last) ^