Eroare de compilare: main.cpp: In function 'std::istream& operator>>(std::istream&, rational&)': main.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < str.length(); i++) ~~^~~~~~~~~~~~~~ main.cpp:30:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < str.find('('); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:103:52: error: no matching function for call to 'find(std::vector<int>::iterator, std::vector<int>::iterator, const int&)' if (find(codeIdx.begin(), codeIdx.end(), p.first) == codeIdx.end()) { ^ In file included from /usr/include/c++/6/bits/locale_facets.h:48:0, from /usr/include/c++/6/bits/basic_ios.h:37, from /usr/include/c++/6/ios:44, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/bits/streambuf_iterator.h:369:5: note: candidate: 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++/6/bits/streambuf_iterator.h:369:5: note: template argument deduction/substitution failed: main.cpp:103:52: note: '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::istreambuf_iterator<_CharT>' if (find(codeIdx.begin(), codeIdx.end(), p.first) == codeIdx.end()) { ^ main.cpp:106:79: error: no matching function for call to 'find(std::vector<int>::iterator, std::vector<int>::iterator, const int&)' code[distance(codeIdx.begin(), find(codeIdx.begin(), codeIdx.end(), p.first))] = p.second; ^ In file included from /usr/include/c++/6/bits/locale_facets.h:48:0, from /usr/include/c++/6/bits/basic_ios.h:37, from /usr/include/c++/6/ios:44, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/bits/streambuf_iterator.h:369:5: note: candidate: 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++/6/bits/streambuf_iterator.h:369:5: note: template argument deduction/substitution failed: main.cpp:106:79: note: '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::istreambuf_iterator<_CharT>' code[distance(codeIdx.begin(), find(codeIdx.begin(), codeIdx.end(), p.first))] = p.second; ^ Non zero exit status: 1