Compilare: main.cpp: In function 'void BFS(int, int)': main.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i=0;i<V[curentNode].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void referinta(int)': main.cpp:46:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(int i=0;i<V[node].size();i++) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:82:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for(int i=0;i<=S.size()-1;i++) | ~^~~~~~~~~~~~