Compilare: main.cpp: In function 'std::vector<std::pair<int, int> > prim(std::vector<std::vector<muchie> >&, int&)': main.cpp:30:16: warning: value computed is not used [-Wunused-value] 30 | visited[1] == true; | ~~~~~~~~~~~^~~~~~~ main.cpp:42:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (int i = 0; i < muchii[aux.y].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:79:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for (int i = 0; i < rez.size(); i++) | ~~^~~~~~~~~~~~