Compilare: user.cpp: In function ‘void insert(Trie*, char*)’: user.cpp:120: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘bool exists(Trie*, char*)’: user.cpp:136: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘void TrieQuery(Trie*, int)’: user.cpp:165: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘int main()’: user.cpp:212: warning: unused variable ‘s’ user.cpp: In function ‘bool exists(Trie*, char*)’: user.cpp:142: warning: control reaches end of non-void function