The main goal of using DSA is to solve problems effectively and efficiently. How do you assess if your program is efficient? This is where complexities come in, and there are two types:Time Complexity: It measu
I would like some tips to help me improve. Currently, I can solve problems rated around 800 in Div. 4. I can solve problems A, B, and C in Div. 4 contests, but no more than that. In Div. 3, I can sometimes solve problem A, but I don’t know what to study to improve. I...
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 → ...
LeetCode: There are many problems in Leetcode of different difficulty levels such as Easy, Medium, and Hard. Try to start to solve Easy and Medium Level problems and then switch to challenging problems gradually. Prestigious programming contests As a competitive programmer, one can aspire to part...
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’...
That's all abouthow to solve the Nth highest salary problem in MySQL and SQL Server.It's a good problem to learn co-related subquery, one of the tricky SQL concepts which many programmers struggle to understand. Leetcode also has a good collection of SQL problems which are good to improve...