제출 #130590

실행 실패 (제출 코드 컴파일 에러)

{"stderr": "Main.cpp: In function \u2018int main()\u2019:\nMain.cpp:20:40: error: request for member \u2018ownername\u2019 in \u2018bookmap.std::map<std::__cxx11::basic_string<char>, int>::at((*(const key_type*)(& bookname.std::vector<std::__cxx11::basic_string<char> >::operator[](0))))\u2019, which is of non-class type \u2018std::map<std::__cxx11::basic_string<char>, int>::mapped_type\u2019 {aka \u2018int\u2019}\n   20 |   string max = bookmap.at(bookname[0]).ownername;\n      |                                        ^~~~~~~~~\nMain.cpp:21:21: warning: comparison of integer expressions of different signedness: \u2018int\u2019 and \u2018std::map<std::__cxx11::basic_string<char>, int>::size_type\u2019 {aka \u2018long unsigned int\u2019} [-Wsign-compare]\n   21 |   for (int j = 0; j < bookmap.size(); j++) {\n      |                   ~~^~~~~~~~~~~~~~~~\nMain.cpp:22:30: error: no matching function for call to \u2018std::vector<std::__cxx11::basic_string<char> >::at(__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type&)\u2019\n   22 |     string name = bookname.at(bookname[j]).ownername;\n      |                   ~~~~~~~~~~~^~~~~~~~~~~~~\nIn file included from /usr/include/c++/11/vector:67,\n                 from Main.cpp:4:\n/usr/include/c++/11/bits/stl_vector.h:1092:7: note: candidate: \u2018std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::at(std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::__cxx11::basic_string<char>; _Alloc = std::allocator<std::__cxx11::basic_string<char> >; std::vector<_Tp, _Alloc>::reference = std::__cxx11::basic_string<char>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]\u2019\n 1092 |       at(size_type __n)\n      |       ^~\n/usr/include/c++/11/bits/stl_vector.h:1092:20: note:   no known conversion for argument 1 from \u2018__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type\u2019 {aka \u2018std::__cxx11::basic_string<char>\u2019} to \u2018std::vector<std::__cxx11::basic_string<char> >::size_type\u2019 {aka \u2018long unsigned int\u2019}\n 1092 |       at(size_type __n)\n      |          ~~~~~~~~~~^~~\n/usr/include/c++/11/bits/stl_vector.h:1110:7: note: candidate: \u2018std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::at(std::vector<_Tp, _Alloc>::size_type) const [with _Tp = std::__cxx11::basic_string<char>; _Alloc = std::allocator<std::__cxx11::basic_string<char> >; std::vector<_Tp, _Alloc>::const_reference = const std::__cxx11::basic_string<char>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]\u2019\n 1110 |       at(size_type __n) const\n      |       ^~\n/usr/include/c++/11/bits/stl_vector.h:1110:20: note:   no known conversion for argument 1 from \u2018__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type\u2019 {aka \u2018std::__cxx11::basic_string<char>\u2019} to \u2018std::vector<std::__cxx11::basic_string<char> >::size_type\u2019 {aka \u2018long unsigned int\u2019}\n 1110 |       at(size_type __n) const\n      |          ~~~~~~~~~~^~~\nMain.cpp:23:23: error: no match for \u2018operator>\u2019 (operand types are \u2018std::map<std::__cxx11::basic_string<char>, int>::mapped_type\u2019 {aka \u2018int\u2019} and \u2018std::string\u2019 {aka \u2018std::__cxx11::basic_string<char>\u2019})\n   23 |     if (bookmap[name] > max) max = name;\nIn file included from /usr/include/c++/11/bits/stl_algobase.h:67,\n                 from /usr/include/c++/11/bits/char_traits.h:39,\n                 from /usr/include/c++/11/ios:40,\n                 from /usr/include/c++/11/ostream:38,\n                 from /usr/include/c++/11/iostream:39,\n                 from Main.cpp:1:\n/usr/include/c++/11/bits/stl_iterator.h:538:5: note: candidate: \u2018template<class _IteratorL, class _IteratorR>  requires  three_way_comparable_with<_IteratorR, _Iterator(...truncated, total 24406 characters, 1 lines)