Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:33:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for(i=0;i<a[pmin].size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:22:20: warning: unused variable 'k' [-Wunused-variable] 22 | int nod,cost,i,k,pmin; | ^ main.cpp: In function 'int main()': main.cpp:47:24: warning: unused variable 's' [-Wunused-variable] 47 | {int m,i,nod,nod2,cost,s; | ^