Hi!
Topcoder SRM 751 is scheduled to start at 21:00 UTC -5, Feb 21, 2018. Registration is now open for the SRM in the Web Arena or Applet and will close 5 minutes before the match begins.
Editorials: https://www.topcoder.com/blog/single-round-match-751-editorials/
This is the third SRM of Stage 3 of TCO19 Algorithm. This stage will also help you qualify and win reimbursements/tickets to TCO19 Regional Events.
Stage 3 TCO19 Points Leaderboard | Topcoder Java Applet | Next SRM 752 — March 6
All the best!
Is 316 * 16 intended in hard?
UPD: Juding from the editorial it seems the intended solution is O(3NN2). We can cut a factor of N by finding shortest paths instead of doing boolean DP with lengths.