Compilare: main.cpp: In function 'int BFS()': main.cpp:25:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(int j = 0; j < G[nod].size(); j ++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:50:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i = 0; i < G[N].size(); i ++) | ~~^~~~~~~~~~~~~