Ripple Interview Questions

Showing 10 questions

Ranking

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

Question

Frequency

Difficulty

String Compression

Compress a given string by replacing consecutive repeating characters with the character followed by the count of repetitions. If the compressed string isn't shorter, return the original.

ArraysTwo PointersStrings

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

#1. String Compression

Compress a given string by replacing consecutive repeating characters with the character followed by the count of repetitions. If the compressed string isn't shorter, return the original.

ArraysTwo PointersStrings

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

Merge Intervals

You are given a collection of intervals. Merge all overlapping intervals into a single interval and return the result.

ArraysGreedy Algorithms

Somewhat likely

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

#2. Merge Intervals

You are given a collection of intervals. Merge all overlapping intervals into a single interval and return the result.

ArraysGreedy Algorithms

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

Group Anagrams

Given a list of words, group together all the anagrams. Anagrams are words that contain the same letters rearranged.

Somewhat likely

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

#3. Group Anagrams

Given a list of words, group together all the anagrams. Anagrams are words that contain the same letters rearranged.

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

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 ListsDesign

Somewhat likely

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

#4. 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 ListsDesign

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

Product of Array Except Self

Calculate a new array where each element is the product of all numbers in the original array, excluding the number at that index. Do this efficiently without using division.

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

#5. Product of Array Except Self

Calculate a new array where each element is the product of all numbers in the original array, excluding the number at that index. Do this efficiently without using division.

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

Stock Price Fluctuation

Track and query the fluctuating price of a stock. You need to efficiently find the latest price and the highest price recorded so far.

ArraysGreedy Algorithms

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

#6. Stock Price Fluctuation

Track and query the fluctuating price of a stock. You need to efficiently find the latest price and the highest price recorded so far.

ArraysGreedy Algorithms

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

Subarray Sum Equals K

Determine the total number of continuous subarrays within a given array that sum up to a specific target value, k.

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

#7. Subarray Sum Equals K

Determine the total number of continuous subarrays within a given array that sum up to a specific target value, k.

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

Basic Calculator

Implement a basic calculator to evaluate a simple expression string. The expression can contain parentheses, addition, and subtraction.

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

#8. Basic Calculator

Implement a basic calculator to evaluate a simple expression string. The expression can contain parentheses, addition, and subtraction.

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

Koko Eating Bananas

Koko wants to eat all the bananas in some piles within a certain time. Find the minimum eating speed that allows her to finish on time.

ArraysBinary Search

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

#9. Koko Eating Bananas

Koko wants to eat all the bananas in some piles within a certain time. Find the minimum eating speed that allows her to finish on time.

ArraysBinary Search

This question is not likely to be asked in your Ripple 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 ProgrammingGreedy Algorithms

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

#10. Maximum Subarray

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

ArraysDynamic ProgrammingGreedy Algorithms

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

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