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Hi Codeforces I really want to know 1) (How to jump as fast as possible from newbie range) Skills and Math Needed.
In General What's The Suggested Approach (I know It's not unique) to Become Expert and how to train (Resources and Good Plan)
Thank you
Skills:
Middle school level algebra and number theory
Binary Search
Binary operations
Data structures (Map, Set, Queue, Stack, Etc)
DFS/BFS/Etc
Prefix Sum
Two Pointers
DP
I think this is most of it, might be missing one or two though.
Know how to combine aforementioned skills for a single solution and problem solve, and be fast.