> The answers don't even matter that much, I am always more interested in the demonstrated ability to recognize and reason through the implications of constraint changes when there are no correct answers. People with solid computer science skills can usually muddle their way through it, whereas many people with immaculate leetcode skills fail the most basic versions of this.

> The most important skill of juniors was demonstrating that they could effectively reason about and were motivated to dive into problems they had never seen before. These were always the juniors that could be rapidly developed into strong senior engineers, which is more or less the objective when you hire juniors.

I agree 100%.