Eroare de compilare: user.cpp: In constructor ‘Trie::Trie()’: user.cpp:20: error: ‘memset’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:69: error: ‘strlen’ was not declared in this scope user.cpp:60: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:61: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:63: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:69: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result