Eroare de compilare: main.cpp: In function 'void citire()': main.cpp:50:10: error: 'i' was not declared in this scope 50 | for(i=1;i<=n;i++) | ^ main.cpp:50:17: error: 'n' was not declared in this scope 50 | for(i=1;i<=n;i++) | ^ main.cpp:52:10: error: 'dad' was not declared in this scope 52 | dad[i] = i; | ^~~ main.cpp: In function 'void DFS(int)': main.cpp:61:24: error: 'begin' was not declared in this scope 61 | for(auto nd: G[nodc]) | ^ main.cpp:61:24: note: suggested alternatives: In file included from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:95, from main.cpp:1: /usr/include/c++/12.2.1/valarray:1226:5: note: 'std::begin' 1226 | begin(const valarray<_Tp>& __va) noexcept | ^~~~~ In file included from /usr/include/c++/12.2.1/string_view:50, 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/bits/ranges_base.h:566:44: note: 'std::ranges::__cust::begin' 566 | inline constexpr __cust_access::_Begin begin{}; | ^~~~~ In file included from /usr/include/c++/12.2.1/filesystem:46, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:129: /usr/include/c++/12.2.1/bits/fs_dir.h:576:3: note: 'std::filesystem::__cxx11::begin' 576 | begin(recursive_directory_iterator __iter) noexcept | ^~~~~ In file included from /usr/include/c++/12.2.1/bits/stl_iterator_base_types.h:71, from /usr/include/c++/12.2.1/bits/stl_algobase.h:65, from /usr/include/c++/12.2.1/bits/specfun.h:45, from /usr/include/c++/12.2.1/cmath:1935, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:41: /usr/include/c++/12.2.1/bits/iterator_concepts.h:969:10: note: 'std::ranges::__cust_access::begin' 969 | void begin(const auto&) = delete; | ^~~~~ main.cpp:61:24: error: 'end' was not declared in this scope 61 | for(auto nd: G[nodc]) | ^ Non zero exit status: 1