Once you understand the techniques of solving the problem and become quite familiar with the language and problem solving, it is highly recommended to start participating in contests on platforms such as Codeforces, CodeChef, or LeetCode. Codeforces: Codeforces is a Russian website dedicated to com...
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 ...
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’...
This is another solution to find Nth highest salary problem, this was not accepted by LeetCode compiler but they work fine on Database CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT BEGIN RETURN ( # WRITE your MySQL query statement below. SELECT Salary FROM Employee a WHERE N = (...
Btw, If you don't know how to sort a Map on values, see this tutorial first. It will teach youhow to sort HashMap on values in Java. 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 sort...