Q1: May I use explicit or implicit data-preprocessing methods, particularly for texts?
A1: Yes. You may use WRT, starNT and other transforms.
Q2: Is there any restriction on the compiler?
A2: No
Q3: May I store dictionaries and similar prior-knowledge data in the compressor?
A3: Yes, as long as your compressor still meets the size limit.
Q4: May I send two builds of my program, one for Windows and one for Linux, to see which one is faster?
A4: Yes: this year we will allow one build per operating system, but we count them as either two update submissions or as one initial and one update submission.
Q5: How do you run Test 2?
A5: We run the test file by file, processing each image separately.