TopcoderARCHIVE
Archive
The Topcoder archive

Great problems. Lasting history.

A home for Topcoder’s competitive programming past. Explore the problems and revisit the events that shaped our community.

Problem library TCO history

The problem library

Explore 6,362 algorithm problems from Single Round Matches, the Topcoder Open, and other historic competitions. Each problem includes its statement and available public examples.

Explore problems

Topcoder Open history

Revisit the tournaments that brought our community together. Discover the original event sites, competition stories, and moments from more than two decades of TCO.

Explore TCO history

These pages preserve content from retired Topcoder services. Problem pages include public learning material; member submissions and performance data are not published.