Below are links to PDFs of the 6 problems from the 2021 ECOO Programming Contest. Data ZIPs contain problem data and, if necessary, README files containing instructions on how to test your solutions.

P1P2P3P4P5P6Combined
ProblemPDFPDFPDFPDFPDFPDFproblems.zip
Datap1.zipp2.zipp3.zipp4.zipp5.zipp6.zipdata.zip

The problems are also available on DMOJ and MCPT where you may create accounts and submit to the judges, receiving immediate feedback.