Compilare: main.cpp: In function 'std::vector<int> BFS()': main.cpp:66:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<mi>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int i=0; i<la[x].size() && !gata; ++i) | ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:132:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 132 | for(int j=0; j<parcurgere.size(); ++j) | ~^~~~~~~~~~~~~~~~~~