JFrog Interview Questions

Note: ensure you read the disclaimer on the previous page reading the accuracy and sourcing of these problems.

Next Greater Element in a Circular Array

A circular array challenges next larger in a circular array is one where the next element of the last element is the first element. You know how standard arrays look. Instead of 1, 2, 3, 4 , imagine the following, where after index 7 , we'd move back to index 0 . Can you write ...

Difficulty: 6/10

Fizz Buzz

Fizz Buzz is a classic interview question that apparently many experienced engineering candidates often can't solve! Let's cover it today. We're given a number in the form of an integer n . Write a function that returns the string representation of all numbers from 1 to n based on the followin...

Difficulty: 3/10

Reverse a Linked List

You're sent a linked list of numbers, but it's been received in the opposite order to what you need. This has happened multiple times now, so you decide to write an algorithm to reverse the lists as they come in. The list you've received is as follows: 7 2 21 6 42 10 Write ...

Difficulty: 6/10

Least Missing Positive Number

We have an unsorted array of integers such as the following: 0, 3, 1, 2, 1 csharp if len 2 return Math.Max nums 0 , nums 1 In the above example, the minimum number is 2 and the maximum is 3 . If it were sorted, it would look like: 2, 1, 0, 1, 3 csharp ...

Difficulty: 4/10

Traverse in a Zig Zag

Here's a fun one: can you write a method to return the nodes of a binary tree lessons an intro to binary trees and search trees in a zig zag level order? It should return a multi dimensional array of arrays, with each child array being a level of the tree. That's a mouthful, so here's an...

Difficulty: 6/10

Find Shortest Palindrome Possible

We have a string str like the following: js const str "bubble" Find a way to convert it to a palindrome by inserting characters in front of it. Recall that a palindrome is defined as "a word, phrase, or sequence that reads the same backward as forward". What's the shortes...

Difficulty: 5/10

Is An Anagram

Understanding Anagrams: A Simple Definition An anagram is a fascinating literary device where you can rearrange the letters of a word, phrase, or name to form another meaningful sequence. Think of it as a jigsaw puzzle made of letters. For example, the word "cinema" can be rearranged to form "ice...

Difficulty: 3/10

Reverse Only Alphabetical

Reversing Only Alphabetical Characters in a String ! Visual Diagram https: storage.googleapis.com algodailyrandomassets curriculum easy strings reverse only alphabetical.png The Problem Statement You are provided with a string that's a blend of alphabetic and non alphabetic characters. T...

Difficulty: 3/10

Add Linked List Numbers

We're provided the following two linked lists: 1 2 3 4 and 2 5 8 Each one represents a number in reversed order, so 1 2 3 4 represents 4321 and 2 5 8 represents 852 *note: for an extra challenge, consider if they weren't reversed* . The lists are guarante...

Difficulty: 7/10

SQL Set Operators

Introduction _The **SET operators** are a special kind of operators which serve the purpose of combining the results of two or more component queries._ Queries that contain set operators are referred to as **compound queries**. The result of these operations is a single set, no matter how many S...

Difficulty: 5/10

Hash Tables

Welcome to the introduction of hash tables in the Hash Tables tutorial! In this lesson, we will explore the concept of hash tables, a data structure that allows for efficient retrieval and storage of key value pairs. Hash tables provide fast access to data by using a technique called hashing. Hash...

Difficulty: 5/10

JavaScript Basics

Introduction to JavaScript JavaScript is a high level programming language that is widely used for frontend web development. It is a key technology for creating interactive and dynamic websites. JavaScript runs on the client side, meaning it is executed by the user's web browser. This allows f...

Difficulty: 5/10

Interview Reports

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People at JFrog Say

This information was sourced from reviews originally posted on Glassdoor.

jfrog is a company made up of lots of talented, smart, passionate people. the technology is first-rate, our developers are brilliant, and i strongly believe in the market for the jfrog suite of products. artifactory and bintray are going to live on, in some form or another. much of what is being developed there will define this space for devops needing CI / CD solutions

Work life balance, Interesting technologies, Challenging day to day work, Good Environment. The culture is great at the office. A place where you can not only improve your work life, but also improve yourself as a person.

Fake reviews posted by people. Those who are joining watch out. PLEASE TAKE THIS ADVICE SERIOUSLY. The company people are pumping up glassdoor ratings.