Compilare: main.cpp: In member function 'std::vector<int> Graph::bfs()': main.cpp:55:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | if(x < matrice.size() - 1) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:65:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | if(y < matrice[1].size() - 1) | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:180:39: warning: 'nod' may be used uninitialized [-Wmaybe-uninitialized] 180 | Graph graf(galerii, m + 1, nod); | ^ main.cpp:168:13: note: 'nod' was declared here 168 | int nod; | ^~~