Compilare: user.cpp: In function ‘void insert(Trie*, char*)’: user.cpp:84: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘bool exists(Trie*, char*)’: user.cpp:100: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘void TrieQuery(Trie*, int)’: user.cpp:129: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘bool exists(Trie*, char*)’: user.cpp:106: warning: control reaches end of non-void function