Compilare: main.cpp: In function 'int bfs(std::vector<int>&)': 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 i = 0; i < adj[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:75:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(int i = 0; i < adj[a].size(); i++){ | ~~^~~~~~~~~~~~~~~ main.cpp:87:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for(int i = 0; i < rezultate.size(); i++) | ~~^~~~~~~~~~~~~~~~~~