Compilare: user.cpp: In constructor ‘trie::trie()’: user.cpp:23:40: warning: passing NULL to non-pointer argument 2 of ‘void* memset(void*, int, size_t)’ [-Wconversion-null] memset(child, NULL, sizeof(child)); ^ user.cpp: In function ‘void add(trie*, char*, int)’: user.cpp:52:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] int c = type[(*p)]; ^ user.cpp:53:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!alpha[(*p)]) { ^ user.cpp: In function ‘int main()’: user.cpp:118:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] c = type[s[i]]; ^ user.cpp:95:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d\n", &N); ^ user.cpp:103:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d\n", &M); ^ user.cpp:105:29: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(word, Smerenie, f); ^