Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:24:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int i=0; i<graf[nod].size(); i++){ | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:36:11: warning: 'm' is used uninitialized in this function [-Wuninitialized] 36 | while(m){ | ^ main.cpp:35:9: warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized] 35 | int n,m; | ^