USACO Reference Documents
Allowed resources for the IOI and USACO camp can be found in this
Previous Camp Solutions
Previous camp problems and solutions are available to all cows who've
attended camp in the past. The links to the solutions for the previous camps can be
found here. The problems are
available on Probgate (via your camp account).
Codeforces is a tried and true way to get
better at contest programming. For those who are just starting out, some of our
very motivated former campers created a set of freely available resources,
linked below, with the intent of getting broader participation in competitive
programming. Disclaimer: These links are provided for convenience only; USACO does not
officially endorse or promote any of these sites or programs. USACO bears
no responsibility for the accuracy, legality or content of the external site or
for that of subsequent links. Contact the external site for answers to questions
regarding its content.