The tasks to warm up for the training are as follows:
Problem: CIV - 10420 : List of Conquests
Problem: CXV - 11559 : Event Planning
Problem: CXVII - 11799 : Horror Dash
You must submit your solutions on http://uva.onlinejudge.org/
You can browse to these problems from the online judge website by clicking on Browse Problems, Contest Volumes, and then selecting the contest volume as indicated above.