Compilare: main.cpp: In function 'int main()': main.cpp:49:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for (int k = 0; k < adj[i].size(); ++k) //iau nodurile k pentru care exista arcul (k,i) | ~~^~~~~~~~~~~~~~~ main.cpp:55:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for (int j = 0; j < adj[0].size(); ++j) | ~~^~~~~~~~~~~~~~~