Compilare: main.cpp: In function 'int main()': main.cpp:26:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 26 | auto [w , x] = h.top(); | ^ main.cpp:31:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 31 | for(auto [y1 , y2] : v[x]){ | ^