This is really cool, thanks for sharing! I don't necessarily disagree with your point, though I do think an unrealistic time limit is even worse than no time limit. I also emphasize the importance of not taking on a challenge that is outside the scope of your ability here: https://www.fullstackinterviewing.com/2018/02/02/the-ultimat...
What are your thoughts on timed coding problems like Codility or Hackerrank?
What are your thoughts on timed coding problems like Codility or Hackerrank?