United States of America Computing Olympiad

The United States Computing Olympiad includes a series of seven internet programming contests and a training camp, used to eventually choose the team that will represent the US in the International Olympiad in Informatics (IOI).

Internet Competitions

There are four Internet Competitions held each year and USACO's flagship contest, the US Open, which tests the programmer's ability to write correct programs, with restrictions on runtime and memory usage.

These Internet Competitions have different levels: Platinum (the most difficult), Gold, Silver, and Bronze (the least difficult).

Contests take place each month from December through March. These contests are generally 3-4 problems lasting 4 hours. Competitors may participate at any time over a weekend for four hours as long as those hours are continuous. Results from contests come out later that week.

Training Camp

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