Hi! I'm new in Codeforces,sorry for my grammar mistakes and my question is , because if will have an official JBOI ,I will probably be in the team for jboi and How I am preparing for it? I know some algorithms like BFS,DFS,Dijkstra ,Flood fill and a little DP.And because I have solved 85% of problems form the past years jboi, How kind of problems I should solve for it? Thanks you in advance!