Eroare de compilare: user.cpp: In function ‘void back(std::vector<std::pair<int, int> >)’: user.cpp:35:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (moves.size() >= nI - 1) ^ user.cpp:46:71: error: no matching function for call to ‘find(std::vector<std::pair<int, int> >::iterator, std::vector<std::pair<int, int> >::iterator, std::pair<int, int>)’ newPos.erase(find(newPos.begin(), newPos.end(), make_pair(i + 1, j))); ^ user.cpp:46:71: note: candidate is: In file included from /usr/include/c++/4.8/bits/locale_facets.h:48:0, from /usr/include/c++/4.8/bits/basic_ios.h:37, from /usr/include/c++/4.8/ios:44, 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/streambuf_iterator.h:369:5: note: template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&) find(istreambuf_iterator<_CharT> __first, ^ /usr/include/c++/4.8/bits/streambuf_iterator.h:369:5: note: template argument deduction/substitution failed: user.cpp:46:71: note: ‘__gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >’ is not derived from ‘std::istreambuf_iterator<_CharT>’ newPos.erase(find(newPos.begin(), newPos.end(), make_pair(i + 1, j))); ^ user.cpp:47:67: error: no matching function for call to ‘find(std::vector<std::pair<int, int> >::iterator, std::vector<std::pair<int, int> >::iterator, std::pair<int, int>)’ newPos.erase(find(newPos.begin(), newPos.end(), make_pair(i, j))); ^ user.cpp:47:67: note: candidate is: In file included from /usr/include/c++/4.8/bits/locale_facets.h:48:0, from /usr/include/c++/4.8/bits/basic_ios.h:37, from /usr/include/c++/4.8/ios:44, 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/streambuf_iterator.h:369:5: note: template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&) find(istreambuf_iterator<_CharT> __first, ^ /usr/include/c++/4.8/bits/streambuf_iterator.h:369:5: note: template argument deduction/substitution failed: user.cpp:47:67: note: ‘__gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >’ is not derived from ‘std::istreambuf_iterator<_CharT>’ newPos.erase(find(newPos.begin(), newPos.end(), make_pair(i, j))); ^ user.cpp:61:71: error: no matching function for call to ‘find(std::vector<std::pair<int, int> >::iterator, std::vector<std::pair<int, int> >::iterator, std::pair<int, int>)’ newPos.erase(find(newPos.begin(), newPos.end(), make_pair(i - 1, j))); ^ user.cpp:61:71: note: candidate is: In file included from /usr/include/c++/4.8/bits/locale_facets.h:48:0, from /usr/include/c++/4.8/bits/basic_ios.h:37, from /usr/include/c++/4.8/ios:44, 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/streambuf_iterator.h:369:5: note: template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&) find(istreambuf_iterator<_CharT> __first,