Robinhood Interview Guide

Showing 3 of 14 questions

Ranking

A question's ranking corresponds to how commonly it's asked by Robinhood. The higher the ranking, the more likely you'll encounter it in a Robinhood interview.

Question

Frequency

Difficulty

Top K Frequent Words

Find the k most frequently occurring words in a given list of words. Return the top k words sorted by frequency, and then alphabetically for words with the same frequency.

ArraysStringsGreedy Algorithms

Very likely

If you have a Robinhood interview, it's very likely that you will get this question

Medium

#1. Top K Frequent Words

Medium

Find the k most frequently occurring words in a given list of words. Return the top k words sorted by frequency, and then alphabetically for words with the same frequency.

ArraysStringsGreedy Algorithms

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

Number of Orders in the Backlog

Simulate an order processing system with a backlog of buy and sell orders. Determine the total number of orders remaining in the backlog after processing them in a specific manner.

ArraysGreedy AlgorithmsHeapPriority Queue

Very likely

If you have a Robinhood interview, it's very likely that you will get this question

Medium

#2. Number of Orders in the Backlog

Medium

Simulate an order processing system with a backlog of buy and sell orders. Determine the total number of orders remaining in the backlog after processing them in a specific manner.

ArraysGreedy AlgorithmsHeapPriority Queue

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

Restore the Array From Adjacent Pairs

You're given pairs of adjacent numbers from a hidden array. Reconstruct and return the original array using these pairs.

ArraysGraphs

Somewhat likely

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

Medium

#3. Restore the Array From Adjacent Pairs

Medium

You're given pairs of adjacent numbers from a hidden array. Reconstruct and return the original array using these pairs.

ArraysGraphs