Compilare: main.cpp: In function 'void Dijkstra(int, std::vector<int>&, std::priority_queue<std::pair<int, int>, std::vector<std::pair<int, int> >, CustomCompare2>&, std::vector<int>&)': main.cpp:19:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(i=0;i<m_adjListCost[x].size();++i){ | ~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:91:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(i=0;i<ans.size();++i){ | ~^~~~~~~~~~~ main.cpp:61:13: warning: unused variable 'k' [-Wunused-variable] 61 | int i,j,k; | ^