ACM ICPC Problem Set Archive - Problem sets from past ACM programming contests. Most of them are from regional contests and some from the finals.
Cilk Pousse - Home page of the first prize winners of the ICFP Functional Programming Contest from MIT Laboratory for Computer Sciences.
CUHK ACM Programming Team - Home page of City University of Hong Kong, the first place winners in the ACM International Collegiate Programming Contest (ACM/ICPC) Asia Regional.
Dats' Digital Domain - A simple java contest site with a forum to chatter about it. Monthly/Bi-monthly contests.
Gaddipati, Rama Krishna - Resume. Solutions for ACM ICPC problems by Rama Krishna Gaddipati. Also solutions for first and second year students of BITS, Pilani who are doing their Computer Programming-I [CP-I] and Computer Programming-II [CP-II].