Eroare de compilare: main.cpp: In function 'void build(int, int, int)': main.cpp:96:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 96 | for (int i = 1; i < aint[0][nod].val.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:98:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for (int i = 1; i < aint[1][nod].val.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:136:6: error: no match for 'operator>>' (operand types are 'InParser' and 'std::string' {aka 'std::__cxx11::basic_string<char>'}) 136 | fin >> s; | ~~~ ^~ ~ | | | | | std::string {aka std::__cxx11::basic_string<char>} | InParser main.cpp:30:12: note: candidate: 'InParser& InParser::operator>>(int&)' 30 | InParser& operator >> (int &n) { | ^~~~~~~~ main.cpp:30:30: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'int&' 30 | InParser& operator >> (int &n) { | ~~~~~^ main.cpp:47:12: note: candidate: 'InParser& InParser::operator>>(long long int&)' 47 | InParser& operator >> (long long &n) { | ^~~~~~~~ main.cpp:47:36: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'long long int&' 47 | InParser& operator >> (long long &n) { | ~~~~~~~~~~~^ In file included from /usr/include/c++/10/string:56, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from main.cpp:1: /usr/include/c++/10/bits/basic_string.tcc:1468:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 1468 | operator>>(basic_istream<_CharT, _Traits>& __in, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.tcc:1468:5: note: template argument deduction/substitution failed: main.cpp:136:9: note: 'InParser' is not derived from 'std::basic_istream<_CharT, _Traits>' 136 | fin >> s; | ^ In file included from /usr/include/c++/10/istream:991, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from main.cpp:1: /usr/include/c++/10/bits/istream.tcc:931:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)' Non zero exit status: 1