Compilare: main.cpp: In function 'void Dijkstra(int, int)': main.cpp:32:15: warning: unused variable 'cost' [-Wunused-variable] 32 | int cost = Q.top().first; | ^~~~ main.cpp: In function 'int main()': main.cpp:79:42: warning: left operand of comma operator has no effect [-Wunused-value] 79 | for(int j = 1, node = 1; j <= mask, node <= k; j *= 2, ++node) | ~~^~~~~~~