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:44: warning: array subscript has type ‘char’ user.cpp:45: warning: array subscript has type ‘char’ user.cpp: In function ‘void Adauga(Trie*&, int)’: user.cpp:79: warning: array subscript has type ‘char’ user.cpp: In function ‘void Rezolvare()’: user.cpp:119: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result