Compilare: user.cpp: In constructor ‘nod::nod()’: user.cpp:11: warning: unused variable ‘i’ user.cpp: In function ‘void insereaza(nod*, char*, int)’: user.cpp:21: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int sterge(nod*, char*, int)’: user.cpp:36: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int numar_cuvinte(nod*, char*, int)’: user.cpp:52: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int numar_fii(nod*, char*, int)’: user.cpp:62: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:75: warning: format ‘%s’ expects type ‘char*’, but argument 4 has type ‘char (*)[21]’ user.cpp:75: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result