Compilare: main.cpp: In function 'bool check(int)': main.cpp:160:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 160 | auto [level, nod] = *patr.rbegin(); | ^ main.cpp:169:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 169 | auto [k, dl] = dsu::join(nod, p[nod]); | ^