Compilare: user.cpp: In member function ‘void Hash_Table::create()’: user.cpp:8: warning: unused variable ‘i’ user.cpp:8: warning: unused variable ‘j’ user.cpp: In member function ‘int Hash_Table::find(int)’: user.cpp:32: warning: NULL used in arithmetic user.cpp: In member function ‘void Hash_Table::insert(int)’: user.cpp:47: warning: NULL used in arithmetic user.cpp: In function ‘int main()’: user.cpp:67: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:68: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:75: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:77: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result