Eroare de compilare: main.cpp:17:62: error: non-member function 'bool operator<(const muchie&, const muchie&)' cannot have cv-qualifier 17 | friend bool operator <(const muchie& a, const muchie& b) const | ^~~~~ main.cpp:26:11: error: conflicting declaration 'int q' 26 | int m, n, q; | ^ main.cpp:25:24: note: previous declaration as 'std::priority_queue<muchie> q' 25 | priority_queue<muchie> q; | ^ main.cpp: In function 'int MaxCost(int, int)': main.cpp:5:13: error: expected primary-expression before '=' token 5 | #define inf = -999999999 | ^ main.cpp:32:16: note: in expansion of macro 'inf' 32 | int maxx = inf; | ^~~ main.cpp: In function 'int main()': main.cpp:60:19: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'std::priority_queue<muchie>') 60 | cin >> m >> n >> q; | ~~~~~~~~~~~~~ ^~ ~ | | | | | std::priority_queue<muchie> | std::basic_istream<char>::__istream_type {aka std::basic_istream<char>} In file included from /usr/include/c++/12.2.1/fstream:38, from main.cpp:1: /usr/include/c++/12.2.1/istream:120:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' 120 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ^~~~~~~~ /usr/include/c++/12.2.1/istream:120:36: note: no known conversion for argument 1 from 'std::priority_queue<muchie>' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} 120 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/12.2.1/istream:124:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]' 124 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ^~~~~~~~ /usr/include/c++/12.2.1/istream:124:32: note: no known conversion for argument 1 from 'std::priority_queue<muchie>' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} 124 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ /usr/include/c++/12.2.1/istream:131:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' 131 | operator>>(ios_base& (*__pf)(ios_base&)) | ^~~~~~~~ /usr/include/c++/12.2.1/istream:131:30: note: no known conversion for argument 1 from 'std::priority_queue<muchie>' to 'std::ios_base& (*)(std::ios_base&)' 131 | operator>>(ios_base& (*__pf)(ios_base&)) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~ /usr/include/c++/12.2.1/istream:168:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' 168 | operator>>(bool& __n) | ^~~~~~~~ /usr/include/c++/12.2.1/istream:168:24: note: no known conversion for argument 1 from 'std::priority_queue<muchie>' to 'bool&' 168 | operator>>(bool& __n) | ~~~~~~^~~ /usr/include/c++/12.2.1/istream:172:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' Non zero exit status: 1