Compilare: main.cpp: In function 'bool Bellman_ciclu_cost(double)': main.cpp:36:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for (int j = 0; j < adj_list[u].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void cost_cautat_binar()': main.cpp:67:22: warning: 'max_cost' may be used uninitialized in this function [-Wmaybe-uninitialized] 67 | max_cost += elem.second; | ~~~~~~~~~^~~~~~~~~~~~~~