Compilare: main.cpp: In function 'void Tree::init(int, int)': main.cpp:65:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 65 | for(auto [x, c] : g[node]) { | ^ main.cpp: In function 'void Tree::mkdp(int, int)': main.cpp:90:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 90 | for(auto [x, c] : g[node]) { | ^ main.cpp:88:9: warning: unused variable 'total' [-Wunused-variable] 88 | int total = 0; | ^~~~~ main.cpp: In function 'int Tree::query(int, int)': main.cpp:117:16: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 117 | for(auto [b, c] : g[a]) | ^