Compilare: user.cpp: In function ‘void citire()’: user.cpp:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void Adaugare()’: user.cpp:42: warning: array subscript has type ‘char’ user.cpp:43: warning: array subscript has type ‘char’ user.cpp: In function ‘void Adauga(Trie*&, int)’: user.cpp:76: warning: array subscript has type ‘char’ user.cpp: In function ‘void Rezolvare()’: user.cpp:116: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result