Compilare: main.cpp: In function 'void Tree::init(ll, ll)': main.cpp:46:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 46 | for(auto [x, c] : g[node]) { | ^ main.cpp: In function 'void Tree::mkdp(ll, ll)': main.cpp:71:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 71 | for(auto [x, c] : g[node]) { | ^ main.cpp: In function 'll Tree::query(ll, ll)': main.cpp:100:16: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 100 | for(auto [b, c] : g[a]) | ^