Live Coding

There are a few types of coding interview

• Data structure & Algorithm (LeetCode)
• High-level design

Find out what kind of interview

Data Structure & Algorithm (DS&A)

Use NeetCode to learn, but use LeetCode to prepare. If you know which company you are interviewing with, do check out our company and role-specific ultimate prep guides.

Pattern

Here are the most important patterns to ace coding interview question (out of 14 patterns this article mentioned):

1. Sliding Window
2. Two Pointers
3. Tree BFS/DFS
4. Top K elements

Must Do

If you have no time, here are some very popular one (for Japan companies)

• Two Sum
• Number of Islands
• LRU Cache
• Find Median from Data Stream
• Merge k Sorted Lists

There are a lot of good list but we recommend

• https://www.techinterviewhandbook.org/grind75 (75 questions)
• https://leetcode.com/explore/featured/card/top-interview-questions-easy/ (100 questions)

High Level Design

Not as popular as DS&A, but coming soon…