Interesting ideas/techniques to write about, or just new stuff in general?
This post was originally written on Codeforces; relevant discussion can be found here. Recently, I retired from competitive programming completely, and I found myself wondering about what I’ll do with all the competitive-programming-specific knowledge I have gained over the years. For quite some time, I’ve been thinking of giving back to the community by writing about some obscure topics that not a lot of people know about but are super interesting....