> Also, "completing" one problem in the context of the above does not mean being able to solve it the first time without checking the solution. It means possibl

> Also, "completing" one problem in the context of the above does not mean being able to solve it the first time without checking the solution. It means possibly struggling with the problem for 20 minutes, checking the answer, and making sure you can do it the next day without looking at the answer. Thanks for saying this. I tried leetcode last time I was looking for work and was thoroughly discouraged. This approach makes a lot of sense for someone who's been coding for a long time.