How to become competitive coder?
https://www.sololearn.com/Discuss/437973/?ref=app This may be helpful.
Learn data structure deeply and you have to learn basics of language . firstly you have to decide in which language u want to solve problems. And focus in only one Programming language. You need to know: Sort and Search algorithms Hashing Number Theory Greedy Technique please read this post here some useful tips for competitive programing. https://medium.com/@andreimargeloiu/how-to-prepare-for-competitive-programming-396d557e0c12