The Facebook Hacker Cup is an annual programming competition hosted by Meta, the parent company of Facebook. It invites developers from around the world to solve algorithmic challenges and compete for prizes. The competition typically consists of multiple rounds, including online qualification rounds and a final round held at Meta's headquarters. Participants are required to demonstrate their coding skills and problem-solving abilities by tackling a series of complex problems within a limited time frame. The event promotes collaboration and innovation in the tech community, attracting both amateur and professional programmers eager to showcase their talents.