Result Codes:
11: Seg Fault
15: Executed Too Long
256, 512, 768, 1024: various errors in tester-# files (you should be able to run them on EWS and get the same error)
17408: Exceeded 3 GB
(More will be added as their meaning is discovered)

In the Makefile, Compilation flags for both Part1 and Part2 are different. Part2 testers expect more optimized code and if curious you can reverse engineer these conditions from the make and tester files within PART2