Compilare: main.cpp: In constructor 'Trie::node::node(int)': main.cpp:15:13: warning: 'Trie::node::ind' will be initialized after [-Wreorder] 15 | int ind; | ^~~ main.cpp:14:15: warning: 'Trie::node* Trie::node::to [2]' [-Wreorder] 14 | node* to[2]; | ^~ main.cpp:16:9: warning: when initialized here [-Wreorder] 16 | node (int _ind) : ind(_ind), to({NULL, NULL}) {} | ^~~~ main.cpp:16:53: warning: list-initializer for non-class type must not be parenthesized 16 | node (int _ind) : ind(_ind), to({NULL, NULL}) {} | ^ main.cpp: In member function 'int Trie::query(int, Trie::node*, int)': main.cpp:29:30: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 29 | if(((x & (1 << depth - 1)) && t -> to[0]) || !t -> to[1]) return query(x, t -> to[0], depth - 1); | ~~~~~~^~~