Compilare: user.cpp: In member function ‘bool cockooHash::insert(int)’: user.cpp:105: warning: unused variable ‘hh1’ user.cpp:106: warning: unused variable ‘hh2’ user.cpp: In function ‘int main()’: user.cpp:141: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:142: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:147: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:149: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result