Eroare de compilare: user.cpp: In constructor ‘Trie::Trie()’: user.cpp:12:27: error: ‘memset’ was not declared in this scope memset(fiu,0,sizeof(fiu)); ^ user.cpp: In function ‘int main()’: user.cpp:57:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("trie.in","r",stdin); ^ user.cpp:58:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("trie.out","w",stdout); ^ user.cpp:60:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %s",&op,s); ^