Compilare: main.cpp: In function 'bool ok(int, int)': main.cpp:23:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 23 | auto [d, nod] = PQ.top(); PQ.pop(); | ^ main.cpp:32:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 32 | auto [d, nod] = PQ.top(); PQ.pop(), d *= -1; | ^