Don't worry about the algorithm questions... companies asking that are just google-wannabe companies that don't deserve you. I have always told recruiters "if there's a time-limited interview test, I'm out", and I'm doing very well for myself now.
If you're desperate, unfortunately, you have to pick up a book on algorithms... one of those 600 pages book, and start reading...
If you think blowing up a pipeline is a good thing because it feels like you're saving the world, can I blow your head with a gun because I think that without oil people will starve?
See, when you want to use violence, I assure you that you won't win, especially the simps that support violence for climate nonsense don't know how to fire a pistol. Let's be civilized and avoid violence and aggression.
Maybe you should learn how to convince people with your ideas, regardless of how stupid, ridiculous, immoral, uneducated and propagandized they are.