if you don’t know how to use ubiquitous data structures like stacks, queues, trees, and graphs, you won’t be able to solve challenging problems
video course bro code dsa mit lectures algorithms.wtf
certain videos from mit lectures like bellman ford, djikstra and the dynamic programming videos
some programming questions from the internet for each of those algorithms and data structures
- exercism
- codewars
- advent of code
etc