Eroare de compilare: main.cpp: In function 'int main()': main.cpp:68:35: error: no match for 'operator<' (operand types are 'std::basic_ostream<char>' and 'char') 68 | fout<<query(1,1,N,a,b)<'\n'; | ~~~~~~~~~~~~~~~~~~~~~~^~~~~ | | | | | char | std::basic_ostream<char> main.cpp:68:35: note: candidate: 'operator<(int, int)' (built-in) 68 | fout<<query(1,1,N,a,b)<'\n'; | ~~~~~~~~~~~~~~~~~~~~~~^~~~~ main.cpp:68:35: note: no known conversion for argument 1 from 'std::basic_ostream<char>' to 'int' In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from main.cpp:1: /usr/include/c++/10/bits/regex.h:1075:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' 1075 | operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1075:5: note: template argument deduction/substitution failed: main.cpp:68:36: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 68 | fout<<query(1,1,N,a,b)<'\n'; | ^~~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from main.cpp:1: /usr/include/c++/10/bits/regex.h:1156:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)' 1156 | operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1156:5: note: template argument deduction/substitution failed: main.cpp:68:36: note: 'std::basic_ostream<char>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' 68 | fout<<query(1,1,N,a,b)<'\n'; | ^~~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from main.cpp:1: /usr/include/c++/10/bits/regex.h:1249:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)' 1249 | operator<(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1249:5: note: template argument deduction/substitution failed: main.cpp:68:36: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 68 | fout<<query(1,1,N,a,b)<'\n'; | ^~~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from main.cpp:1: /usr/include/c++/10/bits/regex.h:1323:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)' 1323 | operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1323:5: note: template argument deduction/substitution failed: main.cpp:68:36: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char' 68 | fout<<query(1,1,N,a,b)<'\n'; Non zero exit status: 1