Optiver Interview Questions

#1. Number of Days Between Two Dates

This question is very likely to be asked in your Optiver interview

Calculate the number of days between two given dates. The dates are provided in a specific format, and you need to compute the difference in days.

Strings

LRU Cache

Design a data structure that acts as a Least Recently Used (LRU) cache. Implement methods to get and put key-value pairs, evicting the least recently used entry when the cache is full.

Linked Lists

Somewhat likely

If you have a Optiver interview, you might get this question

#2. LRU Cache

This question is somewhat likely to be asked in your Optiver interview

Design a data structure that acts as a Least Recently Used (LRU) cache. Implement methods to get and put key-value pairs, evicting the least recently used entry when the cache is full.

Linked Lists

Design Circular Queue

Implement a circular queue data structure with a fixed size. You'll need to handle enqueueing, dequeueing, and checking if the queue is full or empty efficiently.

ArraysTwo PointersLinked Lists

Not likely

If you have a Optiver interview, it's unlikely that you will get this question. Optiver does ask it, but it's rare

#3. Design Circular Queue

ArraysTwo PointersLinked Lists

Implement a circular queue data structure with a fixed size. You'll need to handle enqueueing, dequeueing, and checking if the queue is full or empty efficiently.

This question is not likely to be asked in your Optiver interview

Best Time to Buy and Sell Stock IV

You're given stock prices for multiple days. Determine the maximum profit you can achieve by making at most 'k' transactions (buy and sell) within the given timeframe.

If you have a Optiver interview, it's unlikely that you will get this question. Optiver does ask it, but it's rare

Not likely

Hard

#4. Best Time to Buy and Sell Stock IV

Hard

You're given stock prices for multiple days. Determine the maximum profit you can achieve by making at most 'k' transactions (buy and sell) within the given timeframe.

This question is not likely to be asked in your Optiver interview

Best Time to Buy and Sell Stock

You're given daily stock prices. Find the maximum profit you can make by buying and selling the stock once. You must buy before you sell.

If you have a Optiver interview, it's unlikely that you will get this question. Optiver does ask it, but it's rare

Not likely

#5. Best Time to Buy and Sell Stock

You're given daily stock prices. Find the maximum profit you can make by buying and selling the stock once. You must buy before you sell.