Oct 13 (Reuters) - Domino's Pizza Inc DPZ.N beat quarterly U.S. same-store sales estimates on Thursday, as heavy discounts helped boost demand for its pizzas and chicken wings amid decades-high inflation. U.S. same-store sales at the world's largest pizza chain, rose 2% in the third quarter, compared with a 1.02% rise estimated by analysts, according to Refinitiv IBES. (Reporting by Granth Vanaik in Bengaluru; Editing by Shailesh Kuber) ((Granth.Vanaik@thomsonreuters.com; Twitter:https://twitter.com/Vanaik_Granth)) The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.