Compilare: main.cpp: In function 'void getComponents(int, int, int)': main.cpp:53:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for(int i = 0; i < v[id].size(); i ++){ | ~~^~~~~~~~~~~~~~ main.cpp: In function 'long long int componentDfs(int)': main.cpp:86:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 86 | for(int i = 0; i < components.size(); i ++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:94:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for(int i = 0; i < nodeComponents[id].size(); i ++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:105:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for(int j = 0; j < components[comp].size(); j ++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:176:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 176 | for(int j = 0; j < nodeComponents[i].size(); j ++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:182:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 182 | for(int i = 0; i < components.size(); i ++){ | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:184:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 184 | for(int j = 0; j < components[i].size(); j ++){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:197:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 197 | for(int i = 0; i < components.size(); i ++){ | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:198:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 198 | for(int j = 0; j < components[i].size(); j ++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void popComponent(int, int)': main.cpp:41:19: warning: 'lastEdge.EdgeFull::cost' may be used uninitialized [-Wmaybe-uninitialized] 41 | punte[compid] = lastEdge.cost; | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:27:12: note: 'lastEdge.EdgeFull::cost' was declared here 27 | EdgeFull lastEdge; | ^~~~~~~~ In file included from /usr/include/c++/12.2.1/bits/char_traits.h:46, from /usr/include/c++/12.2.1/ios:40, from /usr/include/c++/12.2.1/ostream:38, from /usr/include/c++/12.2.1/iostream:39, from main.cpp:1: In function 'constexpr decltype (::new(void*(0)) _Tp) std::construct_at(_Tp*, _Args&& ...) [with _Tp = Edge; _Args = {Edge}]', inlined from 'static constexpr void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = Edge; _Args = {Edge}; _Tp = Edge]' at /usr/include/c++/12.2.1/bits/alloc_traits.h:518:21, inlined from 'constexpr std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {Edge}; _Tp = Edge; _Alloc = std::allocator<Edge>]' at /usr/include/c++/12.2.1/bits/vector.tcc:117:30, inlined from 'constexpr void std::vector<_Tp, _Alloc>::push_back(value_type&&) [with _Tp = Edge; _Alloc = std::allocator<Edge>]' at /usr/include/c++/12.2.1/bits/stl_vector.h:1294:21, inlined from 'int main()' at main.cpp:155:19: /usr/include/c++/12.2.1/bits/stl_construct.h:97:73: warning: 'c' may be used uninitialized [-Wmaybe-uninitialized] 97 | { return ::new((void*)__location) _Tp(std::forward<_Args>(__args)...); } | ^