Eroare de compilare: main.cpp: In member function 'void Graph::printGraph()': main.cpp:48:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for (int i = 0; i < nodes.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:50:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (int j = 0; j < nodes[i].neighbors.size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::addAdjacentEdgesFormGridStructure(std::vector<std::vector<int> >&)': main.cpp:126:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for (int i = 2 * n - 1; i < nodes.size() - n; i += n) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp:137:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 137 | for (int i = 0; i < nodes.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp:138:61: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 138 | if (i % n != 0 && i % n != n - 1 && i >= n && i < nodes.size() - n) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In constructor 'Graph::Graph(std::vector<std::vector<int> >&)': main.cpp:158:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for (int i = 0; i < nodes.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::MakeGrafFromGridForest(std::vector<std::vector<int> >&, int, int, int, int)': main.cpp:285:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 285 | for (int i = 0; i < nodes.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp:343:18: warning: unused variable 'node' [-Wunused-variable] 343 | for (int node: path) { | ^~~~ main.cpp: In member function 'bool Graph::isBipartite()': main.cpp:354:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 354 | for (int i = 1; i < nodes.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'bool Graph::topologicalSort(std::vector<int>&)': main.cpp:386:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 386 | for (int i = 0; i < nodes.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp: In static member function 'static std::vector<int> Graph::findSafeNodes(std::vector<std::vector<int> >&)': main.cpp:490:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 490 | for (int i = 0; i < graph.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp:501:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 501 | for (int i = 0; i < graph.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp:508:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 508 | for (int i = 0; i < graph.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'int Graph::minFlipsToConnectTwoIslands()': main.cpp:519:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 519 | for (int i = 0; i < nodes.size(); ++i) { | ~~^~~~~~~~~~~~~~ Non zero exit status: 1