Compilare: main.cpp: In function 'void ComponenteTareConexe()': main.cpp:145:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 145 | for (int i=0; i<vec.size(); i++) { | ~^~~~~~~~~~~ main.cpp: In function 'int Kruskal()': main.cpp:271:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 271 | for (int i=0; i<muchii.size(); i++) { | ~^~~~~~~~~~~~~~ main.cpp: In function 'void Dijkstra()': main.cpp:365:13: warning: unused variable 'cost' [-Wunused-variable] 365 | int cost = aux.first; | ^~~~