Eroare de compilare: main.cpp: In function 'int main()': main.cpp:37:14: error: no match for 'operator<<' (operand types are 'std::ifstream' {aka 'std::basic_ifstream<char>'} and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'}) 37 | cout << (n - disjDist.size() - 1); | ~~~~ ^~ ~~~~~~~~~~~~~~~~~~~~~~~~~ | | | | | std::vector<std::pair<int, int> >::size_type {aka long unsigned int} | std::ifstream {aka std::basic_ifstream<char>} main.cpp:37:14: note: candidate: 'operator<<(int, std::vector<std::pair<int, int> >::size_type {aka long unsigned int})' (built-in) 37 | cout << (n - disjDist.size() - 1); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:37:14: note: no known conversion for argument 1 from 'std::ifstream' {aka 'std::basic_ifstream<char>'} to 'int' In file included from /usr/include/c++/12.2.1/regex:66, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:110, from main.cpp:1: /usr/include/c++/12.2.1/bits/regex.h:1679:5: note: candidate: 'template<class _Ch_type, class _Ch_traits, class _Bi_iter> std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(std::basic_ostream<_CharT, _Traits>&, const sub_match<_Bi_iter>&)' 1679 | operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/regex.h:1679:5: note: template argument deduction/substitution failed: main.cpp:37:41: note: 'std::ifstream' {aka 'std::basic_ifstream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>' 37 | cout << (n - disjDist.size() - 1); | ^ In file included from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:45: /usr/include/c++/12.2.1/cstddef:123:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator<<(byte, _IntegerType)' 123 | operator<<(byte __b, _IntegerType __shift) noexcept | ^~~~~~~~ /usr/include/c++/12.2.1/cstddef:123:5: note: template argument deduction/substitution failed: main.cpp:37:9: note: cannot convert 'cout' (type 'std::ifstream' {aka 'std::basic_ifstream<char>'}) to type 'std::byte' 37 | cout << (n - disjDist.size() - 1); | ^~~~ In file included from /usr/include/c++/12.2.1/bits/basic_string.h:47, from /usr/include/c++/12.2.1/string:53, from /usr/include/c++/12.2.1/bits/locale_classes.h:40, from /usr/include/c++/12.2.1/bits/ios_base.h:41, from /usr/include/c++/12.2.1/ios:42, from /usr/include/c++/12.2.1/istream:38, from /usr/include/c++/12.2.1/sstream:38, from /usr/include/c++/12.2.1/complex:45, from /usr/include/c++/12.2.1/ccomplex:39, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:54: /usr/include/c++/12.2.1/string_view:672:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)' 672 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/12.2.1/string_view:672:5: note: template argument deduction/substitution failed: main.cpp:37:41: note: 'std::ifstream' {aka 'std::basic_ifstream<char>'} is not derived from 'std::basic_ostream<_CharT, _Traits>' 37 | cout << (n - disjDist.size() - 1); | ^ /usr/include/c++/12.2.1/bits/basic_string.h:3883:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3883 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/basic_string.h:3883:5: note: template argument deduction/substitution failed: Non zero exit status: 1