Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:52:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(int i=0;i<l[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:45:13: warning: unused variable 'cost' [-Wunused-variable] 45 | int cost=pq.top().cost; | ^~~~ main.cpp: In function 'int main()': main.cpp:113:38: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 113 | if(j!=p&&(i>>p)&1==0) | ~^~~