Well, like I said earlier, you want to come across as many concepts as quickly as possible. If you're able to solve ~80%+ of the problems you're doing on your own, even if it takes a while, or in fact especially if it takes a while, you are not using your time most effectivel...
Other platforms cater to more experienced coders by offering more complex challenges. These include HackerRank and LeetCode, both of which categorize projects by difficulty level and topic. This approach lets you focus on your areas of interest or the specific skills you need to acquire for particu...