1. You can use Leetcode Premium to solve company-tagged problems1.您可以使用Leetcode Premium来解决公司标签的问题 2. Explore tab in Leetcode Premium — lnkd.in/g3_dHef42. Leetcode Premium 中的探索选项卡 — lnkd.in/g3_dHef4 3. Practice using Leetcode’s Interview tab → Assessment → ...
I’m in my first year of Computer Science and about to start my second semester. So far, I’ve only had one introductory algorithms course at university. I’ve learned about stacks, queues, sets, multisets, vectors, pairs, and algorithms like sort, upper_bound, and lower_bound. At the ...
LeetCode also has a good collection of SQL problems which are good to improve your SQL query skills and I suggest you take a look at those problems if you want to improve your SQL query skills. Other related SQL queries, Interview questions, and articles: How to join three tables in one...
I doubled down on doing exercises to do better on my subsequent interviews in other companies. I was getting better after a couple of months of doing Leetcode.com exercises every single day. When I interview Facebook, I got two questions that I had to solve in under 45 minutes. There’...
Now getting key and value sorted should be easy, but rememberHashMapdoesn't maintain order, so you need to use a List to keep the entry in sorted order. Once you got this list, you can simplyloop over the listand print each key and value from the entry. This way, you can also cre...