Rippling Interview Questions

Showing 18 questions

Ranking

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

Question

Frequency

Difficulty

Maximum Xor Product

Given two integers and a maximum bit limit, find two numbers within the limit that maximize their bitwise XOR product. Return the maximum possible product modulo a large number.

Greedy AlgorithmsBit Manipulation

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

#1. Maximum Xor Product

Given two integers and a maximum bit limit, find two numbers within the limit that maximize their bitwise XOR product. Return the maximum possible product modulo a large number.

Greedy AlgorithmsBit Manipulation

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

Median of Two Sorted Arrays

Find the median of two sorted arrays. The arrays can be of different sizes, and you should aim for an efficient solution.

ArraysBinary Search

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

#2. Median of Two Sorted Arrays

Find the median of two sorted arrays. The arrays can be of different sizes, and you should aim for an efficient solution.

ArraysBinary Search

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

Number of Visible People in a Queue

Imagine people standing in a queue with varying heights. For each person, determine how many people they can see in front of them (taller people block the view).

Somewhat likely

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

#3. Number of Visible People in a Queue

Imagine people standing in a queue with varying heights. For each person, determine how many people they can see in front of them (taller people block the view).

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

Design Excel Sum Formula

Simulate a simplified Excel sheet and implement the SUM formula. You'll need to parse cell ranges and calculate their sum.

Somewhat likely

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

#4. Design Excel Sum Formula

Simulate a simplified Excel sheet and implement the SUM formula. You'll need to parse cell ranges and calculate their sum.

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

Design Spreadsheet

Simulate a spreadsheet. Implement functionality to set cell values and evaluate formulas that depend on other cells.

Somewhat likely

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

#5. Design Spreadsheet

Simulate a spreadsheet. Implement functionality to set cell values and evaluate formulas that depend on other cells.

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

Evaluate Division

You are given equations represented by pairs of variables and their corresponding values. Your task is to evaluate queries based on these equations, determining the value of expressions if possible, or returning -1.0 if not.

Somewhat likely

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

#6. Evaluate Division

You are given equations represented by pairs of variables and their corresponding values. Your task is to evaluate queries based on these equations, determining the value of expressions if possible, or returning -1.0 if not.

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

Maximum Subarray

Find the contiguous subarray within a given array of numbers which has the largest sum. Return the sum of this subarray.

ArraysDynamic Programming

Somewhat likely

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

#7. Maximum Subarray

Find the contiguous subarray within a given array of numbers which has the largest sum. Return the sum of this subarray.

ArraysDynamic Programming

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

Employee Importance

You are given a list of employees, each with an ID, importance value, and a list of subordinates' IDs. Find the total importance value of a given employee and all their subordinates in the company hierarchy.

ArraysGraphsRecursion

If you have a Rippling interview, it's unlikely that you will get this question

#8. Employee Importance

You are given a list of employees, each with an ID, importance value, and a list of subordinates' IDs. Find the total importance value of a given employee and all their subordinates in the company hierarchy.

ArraysGraphsRecursion

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

Synonymous Sentences

You're given a sentence and a list of word synonyms. The goal is to generate all possible synonymous sentences by replacing words with their synonyms.

ArraysStringsRecursionGraphs

If you have a Rippling interview, it's unlikely that you will get this question

#9. Synonymous Sentences

You're given a sentence and a list of word synonyms. The goal is to generate all possible synonymous sentences by replacing words with their synonyms.

ArraysStringsRecursionGraphs

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

Optimal Account Balancing

You are given a list of transactions between people. Determine the minimum number of transactions needed to settle all debts, such that everyone owes or is owed exactly zero.

ArraysGreedy AlgorithmsRecursion

If you have a Rippling interview, it's unlikely that you will get this question

#10. Optimal Account Balancing

You are given a list of transactions between people. Determine the minimum number of transactions needed to settle all debts, such that everyone owes or is owed exactly zero.

ArraysGreedy AlgorithmsRecursion

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

Accounts Merge

You are given a list of accounts where each account has a name and a list of email addresses. Your task is to merge accounts belonging to the same person based on shared email addresses.

If you have a Rippling interview, it's unlikely that you will get this question

#11. Accounts Merge

You are given a list of accounts where each account has a name and a list of email addresses. Your task is to merge accounts belonging to the same person based on shared email addresses.

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

Merge Two Sorted Lists

You're given two sorted lists. Combine them into a single sorted list containing all elements from both original lists.

If you have a Rippling interview, it's unlikely that you will get this question

#12. Merge Two Sorted Lists

You're given two sorted lists. Combine them into a single sorted list containing all elements from both original lists.

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

LFU Cache

Design and implement a Least Frequently Used (LFU) cache. The cache should allow you to get and put key-value pairs, evicting the least frequently used key when the cache is full.

ArraysLinked ListsDesign

If you have a Rippling interview, it's unlikely that you will get this question

#13. LFU Cache

Design and implement a Least Frequently Used (LFU) cache. The cache should allow you to get and put key-value pairs, evicting the least frequently used key when the cache is full.

ArraysLinked ListsDesign

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

Last Stone Weight

You're given a pile of stones with different weights. In each turn, you smash the two heaviest stones together, and the goal is to find the weight of the last remaining stone (or zero if no stone remains).

ArraysGreedy Algorithms

If you have a Rippling interview, it's unlikely that you will get this question

#14. Last Stone Weight

You're given a pile of stones with different weights. In each turn, you smash the two heaviest stones together, and the goal is to find the weight of the last remaining stone (or zero if no stone remains).

ArraysGreedy Algorithms

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

Number of Islands

Given a grid representing land and water, count the number of distinct islands. An island is formed by connected land cells.

If you have a Rippling interview, it's unlikely that you will get this question

#15. Number of Islands

Given a grid representing land and water, count the number of distinct islands. An island is formed by connected land cells.

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

Alien Dictionary

You are given a sorted list of words from an alien language and need to deduce the order of the letters in that language. Determine the alien alphabet order based on the given word sequence.

If you have a Rippling interview, it's unlikely that you will get this question

#16. Alien Dictionary

You are given a sorted list of words from an alien language and need to deduce the order of the letters in that language. Determine the alien alphabet order based on the given word sequence.

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

Maximize Amount After Two Days of Conversions

You're given an initial amount and two conversion rates that change daily. Determine the maximum amount you can have after two days by optimally applying the conversions each day.

GraphsDynamic Programming

If you have a Rippling interview, it's unlikely that you will get this question

#17. Maximize Amount After Two Days of Conversions

You're given an initial amount and two conversion rates that change daily. Determine the maximum amount you can have after two days by optimally applying the conversions each day.

GraphsDynamic Programming

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

Insert Delete GetRandom O(1)

Design a data structure that supports insert, delete, and getRandom operations, all in average O(1) time. The getRandom method should return a random element from the current set of elements.

ArraysHash TableRandomizedSet

If you have a Rippling interview, it's unlikely that you will get this question

#18. Insert Delete GetRandom O(1)

Design a data structure that supports insert, delete, and getRandom operations, all in average O(1) time. The getRandom method should return a random element from the current set of elements.

ArraysHash TableRandomizedSet

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

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