Compilare: main.cpp: In function 'int main()': main.cpp:33:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 33 | auto [cost, from] = pq.top(); | ^ main.cpp:47:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 47 | for (auto [to, c2]: la[from]) { | ^ main.cpp:56:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 56 | for (auto [from, to]: ret) | ^