Compilare: user.cpp: In function ‘int getNumber(nod*)’: user.cpp:112: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void citire()’: user.cpp:153: warning: comparison between signed and unsigned integer expressions user.cpp:151: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘int resultat(nod*)’: user.cpp:135: warning: control reaches end of non-void function