Compilare: main.cpp: In function 'void dijkstra()': main.cpp:21:24: 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<lista[nod1].size(); i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:41:13: warning: unused variable 'k' [-Wunused-variable] 41 | int n,m,k,i,s,x,y,z; | ^ main.cpp:41:17: warning: unused variable 's' [-Wunused-variable] 41 | int n,m,k,i,s,x,y,z; | ^