Compilare: main.cpp: In function 'int main()': main.cpp:27:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 27 | auto [w , x] = h.top(); | ^ main.cpp:32:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 32 | for(auto [y1 , y2] : v[x]){ | ^