Compilare: user.cpp: In function 'void read_data()': user.cpp:38: warning: unused variable 'nLen' user.cpp:29: warning: unused variable 'i' user.cpp:29: warning: unused variable 'absX' user.cpp:29: warning: unused variable 'absY' user.cpp:30: warning: unused variable 'h' user.cpp: In function 'void clear_hash(float, float, int)': user.cpp:115: warning: passing 'float' for argument 1 to 'void hash_remove(int, int)' user.cpp:115: warning: passing 'float' for argument 2 to 'void hash_remove(int, int)' user.cpp: In function 'int checkOkay(int)': user.cpp:134: warning: passing 'float' for argument 1 to 'int hash_insert(int, int, int)' user.cpp:134: warning: passing 'float' for argument 2 to 'int hash_insert(int, int, int)' user.cpp:156: warning: converting to 'int' from 'float' user.cpp:156: warning: converting to 'int' from 'float' user.cpp:139: warning: unused variable 'nLen'