Compilare: main.cpp: In function 'void solve_query(__gnu_pbds::tree<int, __gnu_pbds::null_type, std::greater<int>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update>&)': main.cpp:33:18: warning: variable 'it' set but not used [-Wunused-but-set-variable] 33 | auto it = s.find_by_order(s.size() / 2 - 1); | ^~ main.cpp:34:18: warning: variable 'it2' set but not used [-Wunused-but-set-variable] 34 | auto it2 = s.find_by_order(s.size() / 2); | ^~~