Compilare: main.cpp: In function 'std::ostream& operator<<(std::ostream&, Graph)': main.cpp:31:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::list<Graph::nodeStruct> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int i = 0; i < graph.adjacent.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:66:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int i = 1; i < dijks.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp: In constructor 'Graph::Graph(std::vector<std::tuple<int, int, int> >&, int&, bool)': main.cpp:77:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 77 | for(auto[node1, node2, cost]: data) { | ^ main.cpp: In member function 'std::vector<std::__cxx11::list<Graph::nodeStruct> > Graph::transposed()': main.cpp:85:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::list<Graph::nodeStruct> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for(int i = 0; i < adjacent.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::connected()': main.cpp:175:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::list<Graph::nodeStruct> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 175 | for(int i = 0; i < adjacent.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::stack<int> Graph::topologicalSort()': main.cpp:194:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::list<Graph::nodeStruct> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 194 | for(int i = 0; i < adjacent.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::pair<std::vector<std::vector<int> >, std::vector<std::pair<int, int> > > Graph::biconnected()': main.cpp:205:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::list<Graph::nodeStruct> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 205 | for (int i = 0; i < adjacent.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graph::hardConnected()': main.cpp:215:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::list<Graph::nodeStruct> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 215 | for(int i = 0; i < adjacent.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::dijkstra(int)': main.cpp:233:9: warning: unused variable 'cost' [-Wunused-variable] 233 | int cost = 0; | ^~~~ main.cpp: In member function 'std::pair<std::vector<int>, bool> Graph::bellmanFord(int)': main.cpp:263:37: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<std::__cxx11::list<Graph::nodeStruct> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 263 | if(visited[i.node2] >= adjacent.size()) main.cpp: In member function 'std::pair<std::vector<Graph::nodeStruct>, int> Graph::minimumTreeKruskall()': main.cpp:275:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::list<Graph::nodeStruct> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 275 | for(int i = 0; i < adjacent.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:288:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::list<Graph::nodeStruct> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 288 | if(nrEdges == adjacent.size() - 1) | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Graph::havelHakimi(std::deque<int, std::allocator<int> >)': main.cpp:318:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int, std::allocator<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 318 | if(i >= degrees.size()) | ~~^~~~~~~~~~~~~~~~~