Compilare: main.cpp: In function 'void Dijkstra(int)': main.cpp:21:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(i=0;i<adjList[x].size();++i){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:97:14: 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] 97 | for(i=0;i<ans.size();++i){ | ~^~~~~~~~~~~ main.cpp:47:13: warning: unused variable 'k' [-Wunused-variable] 47 | int i,j,k; | ^