Compilare: main.cpp: In function 'void functie(int&, int&, std::vector<int>&, std::priority_queue<std::pair<int, int>, std::vector<std::pair<int, int> >, Comp>&, std::vector<int>&, std::vector<std::vector<std::pair<int, int> > >&, std::unordered_set<int>&)': main.cpp:29:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for (int i = 0; i < lista[nodCurent].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:82:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for (int i = 1; i < sol.size(); ++i) | ~~^~~~~~~~~~~~ main.cpp:73:9: warning: unused variable 'start' [-Wunused-variable] 73 | int start; | ^~~~~