Compilare: main.cpp: In member function 'bool MinCostMaxFlow::dijkstra(int, int)': main.cpp:58:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for (int i = 0; i < graph[u].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~ main.cpp:70:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for (int i = 0; i < dist.size(); ++i) { | ~~^~~~~~~~~~~~~