Compilare: main.cpp: In function 'int main()': main.cpp:50:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (int v = 0; v < adj[k].size(); ++v) //iau nodurile v pentru care exista arcul (v,k) | ~~^~~~~~~~~~~~~~~ main.cpp:56:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for (int j = 0; j < adj[0].size(); ++j) | ~~^~~~~~~~~~~~~~~