If you haven't advance to Round 2 yet — don't miss the last opportunity.
Round 1C will start at 12:00 noon EDT Saturday, May 6, 2017
You need to get top 750 with a positive score to advance. Note that if you have already advanced (in 1A, 1B or received a bye), then you can't participate.
Find rules this year with the schedule here: https://tco17.topcoder.com/algorithm/rules/