How is the main problem resolved in harry potter and the chamber of secrets?

After recuperating in the hospital wing, Harry goes to the end-of-year feast. Slytherin House is set to win the House Cup, and the dining hall is decorated festively in silver and green. Before making the official announcement of Slytherin’s victory, however, Dumbledore decides to give out some last minute points. Ron and Hermione are awarded fifty points each and Harry is given sixty points, all for their courage and strength in protecting the Sorcerer’s Stone. Finally, Dumbledore awards ten points to Neville for his bravery in standing up to his friends. With Neville’s ten points, Gryffindor is ahead of Slytherin in terms of house points and is pronounced the winner of the House Cup.

As the book comes to a close, Harry, Ron, and Hermione pack their trunks and head to the train station to take the Hogwarts Express back to London. Although they will all go their separate ways for the summer, Harry knows that he will see his friends again in a few short months when they come back to Hogwarts for their second year. In the meantime, Harry is looking forward to frightening Dudley with his magic wand.