Aren't things like LeetCode and Hacker Rank supposed to be programming drills? Though I do like the idea of getting a realistic work simulation. That said isn

Aren't things like LeetCode and Hacker Rank supposed to be programming drills? Though I do like the idea of getting a realistic work simulation. That said isn't 4 hours a little short? I wouldn't be able to get much of anything done in so little time.