Compilare: main.cpp: In member function 'void Graph::readGraph()': main.cpp:44:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<bool> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for (int i = 0; i < safe.size(); i ++) { | ~~^~~~~~~~~~~~~ main.cpp: In member function 'int Graph::bfs()': main.cpp:131:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 131 | for (int i = 0; i < dist.size(); i ++) { | ~~^~~~~~~~~~~~~ main.cpp: In member function 'void Graph::eulerianPath()': main.cpp:204:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 204 | for (int i = 0; i < path.size(); i ++) { | ~~^~~~~~~~~~~~~ main.cpp: In member function 'int Graph::bfs()': main.cpp:171:29: warning: 'y' may be used uninitialized [-Wmaybe-uninitialized] 171 | out << x << " " << y << " " << minDist; | ^~~ main.cpp:157:12: note: 'y' was declared here 157 | int x, y; | ^ main.cpp:171:17: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized] 171 | out << x << " " << y << " " << minDist; | ^~~ main.cpp:157:9: note: 'x' was declared here 157 | int x, y; | ^ main.cpp: In member function 'void Graph::eulerianPath()': main.cpp:202:8: warning: 'startNode' may be used uninitialized [-Wmaybe-uninitialized] 202 | dfs(startNode, path); | ~~~^~~~~~~~~~~~~~~~~ main.cpp:191:9: note: 'startNode' was declared here 191 | int startNode; | ^~~~~~~~~