Compilare: main.cpp: In function 'void dijkstra()': main.cpp:61:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<graph[here.index].size();i++){ ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void read()': main.cpp:42:17: warning: iteration 10 invokes undefined behavior [-Waggressive-loop-optimizations] min_cost[i][k]=INF; ^ main.cpp:41:16: note: within this loop for(int k=0;k<=10;k++) ~^~~~