Compilare: user.cpp:12:12: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘void insereaza(std::string, std::string)’: user.cpp:22:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<path.length(); ++i) ^ user.cpp:23:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (aux->a[path[i]]==0) { ^ user.cpp:24:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] aux->a[path[i]]=new trie; ^ user.cpp:25:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] aux=aux->a[path[i]]; ^ user.cpp:27:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] else aux=aux->a[path[i]]; ^ user.cpp: In function ‘void dfs(trie*)’: user.cpp:36:59: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<nod->cuv.size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:57:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<aux.length(); ++j) ^ user.cpp:51:9: warning: unused variable ‘lev’ [-Wunused-variable] int lev=0; ^ user.cpp:46:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("litere2.in", "r", stdin); ^ user.cpp:47:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s); ^ /tmp/ccRjA3qy.o: In function `main': user.cpp:(.text.startup+0x3e): warning: the `gets' function is dangerous and should not be used.