Compilare: main.cpp: In function 'void Solve()': main.cpp:69:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 69 | auto [val, i] = S.query(l - 1, min(r, n)); | ^ main.cpp: In instantiation of 'Segtree<T>::Segtree(Iterator, Iterator, T, std::function<T(T, T)>) [with Iterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; T = std::pair<int, int>]': main.cpp:66:140: required from here main.cpp:38:94: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 38 | n = distance(first, last); h = sizeof(int) * 8 - __builtin_clz(n); t.resize(1LL << h + 1, neutral); | ~~^~~