Eroare de compilare: main.cpp: In function 'void DFS(int)': main.cpp:56:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(j = 0; j < perechi[nod].size(); j++ ){ // parcurgem vectorul de perechi | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:94:9: error: 'memset' was not declared in this scope 94 | memset(vizitat, 0, sizeof(vizitat)); // initializam vectorul de vizitati | ^~~~~~ main.cpp:6:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'? 5 | #include <fstream> +++ |+#include <cstring> 6 | In file included from /usr/include/c++/12.2.1/algorithm:61, from main.cpp:2: /usr/include/c++/12.2.1/bits/stl_algo.h: In instantiation of 'constexpr void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(int, int)>]': /usr/include/c++/12.2.1/bits/stl_algo.h:1849:25: required from 'constexpr void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(int, int)>]' /usr/include/c++/12.2.1/bits/stl_algo.h:1940:31: required from 'constexpr void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(int, int)>]' /usr/include/c++/12.2.1/bits/stl_algo.h:4853:18: required from 'constexpr void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = int; _Compare = bool (*)(int, int)]' main.cpp:77:9: required from here /usr/include/c++/12.2.1/bits/stl_algo.h:1812:17: error: no type named 'value_type' in 'struct std::iterator_traits<int>' 1812 | __val = _GLIBCXX_MOVE(*__i); | ^~~~~ /usr/include/c++/12.2.1/bits/stl_algo.h:1814:15: error: invalid type argument of unary '*' (have 'int') 1814 | *__first = _GLIBCXX_MOVE(__val); | ^~~~~~~~ /usr/include/c++/12.2.1/bits/stl_algo.h:1812:17: error: no type named 'value_type' in 'struct std::iterator_traits<int>' 1812 | __val = _GLIBCXX_MOVE(*__i); | ^~~~~ In file included from /usr/include/c++/12.2.1/bits/stl_algobase.h:71, from /usr/include/c++/12.2.1/string:50, 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/ostream:38, from /usr/include/c++/12.2.1/iostream:39, from main.cpp:1: /usr/include/c++/12.2.1/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = int; _Iterator2 = int; _Compare = bool (*)(int, int)]': /usr/include/c++/12.2.1/bits/stl_algo.h:1809:14: required from 'constexpr void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(int, int)>]' /usr/include/c++/12.2.1/bits/stl_algo.h:1849:25: required from 'constexpr void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(int, int)>]' /usr/include/c++/12.2.1/bits/stl_algo.h:1940:31: required from 'constexpr void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(int, int)>]' /usr/include/c++/12.2.1/bits/stl_algo.h:4853:18: required from 'constexpr void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = int; _Compare = bool (*)(int, int)]' main.cpp:77:9: required from here /usr/include/c++/12.2.1/bits/predefined_ops.h:158:31: error: invalid type argument of unary '*' (have 'int') 158 | { return bool(_M_comp(*__it1, *__it2)); } | ^~~~~~ /usr/include/c++/12.2.1/bits/predefined_ops.h:158:39: error: invalid type argument of unary '*' (have 'int') 158 | { return bool(_M_comp(*__it1, *__it2)); } | ^~~~~~ In file included from /usr/include/c++/12.2.1/bits/stl_algo.h:60: /usr/include/c++/12.2.1/bits/stl_heap.h: In instantiation of 'constexpr void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(int, int)>]': Non zero exit status: 1