Eroare de compilare: user.cpp:59: error: expected unqualified-id before ‘delete’ user.cpp:101: error: expected ‘}’ at end of input user.cpp: In constructor ‘hash_map::hash_map(int)’: user.cpp:23: error: ‘NULL’ was not declared in this scope user.cpp: In destructor ‘hash_map::~hash_map()’: user.cpp:32: error: ‘NULL’ was not declared in this scope user.cpp: In member function ‘void hash_map::insert(int)’: user.cpp:43: error: ‘original_key’ was not declared in this scope user.cpp:45: error: expected type-specifier before ‘hash_key’ user.cpp:45: error: cannot convert ‘int*’ to ‘hash_map::hash_key*’ in assignment user.cpp:45: error: expected ‘;’ before ‘hash_key’ user.cpp: In member function ‘hash_map::hash_key* hash_map::find(int)’: user.cpp:53: error: ‘hk’ was not declared in this scope user.cpp:53: error: ‘NULL’ was not declared in this scope user.cpp:57: error: ‘NULL’ was not declared in this scope user.cpp: At global scope: user.cpp:58: error: expected unqualified-id at end of input