Today the ACM ICPC 2016 Brazil Sub-Regionals, featuring 12 problems and having more than 600 teams trying to advance to the Latin America Regional Finals that will happen in November. I created this thread so we can talk about the problems in the contest. The problems can be viewed in this link (Portuguese): http://maratona.ime.usp.br/maratona.pdf
A — Simple ad-hoc B — (?) Dynamic programming on DAG, square root decomposition C — Shortest Paths Modelling (i have a tutorial on this: http://mirror.codeforces.com/blog/entry/45897) D — Simple maths E — (?) F — (?) G — Range Sum Query 2D H — Simple palindrome check I — Greedy algorithm J — (?) Something similar to convex hull trick K — (?) L — DFS to check connected components
My team solved 7 problems, we also tried to solve B and J but failed. Btw we have advanced to the regional finals! :D