Compilare: user.cpp: In function ‘void inserare(int)’: user.cpp:8:15: warning: unused variable ‘i’ [-Wunused-variable] int sertar, i, ok; ^ user.cpp: In function ‘void stergere(int)’: user.cpp:21:15: warning: unused variable ‘i’ [-Wunused-variable] int sertar, i, ok; ^ user.cpp: In function ‘int main()’: user.cpp:45:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^ user.cpp:47:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &ver, &nr ); ^