Compilare: main.cpp: In function 'void Tree::init(ll, ll)': main.cpp:66:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 66 | for(auto [x, c] : g[node]) { | ^ main.cpp: In function 'void Tree::mkdp(ll, ll)': main.cpp:91:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 91 | for(auto [x, c] : g[node]) { | ^ main.cpp:89:9: warning: unused variable 'total' [-Wunused-variable] 89 | int total = 0; | ^~~~~ main.cpp: In function 'll Tree::query(ll, ll)': main.cpp:118:16: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 118 | for(auto [b, c] : g[a]) | ^