Compilare: main.cpp: In function 'int main()': main.cpp:33:13: warning: unused variable 'node' [-Wunused-variable] int node = q.top().second, d2 = -q.top().first; q.pop(); ^~~~ main.cpp:35:37: warning: 'next_node' may be used uninitialized in this function [-Wmaybe-uninitialized] int next_node = (aux[i] + next_node) % mini; ~~~~~~~~^~~~~~~~~~~~