# Avalara Interview Questions

Avalara is a company developing automated tax compliance software. It utilizes automation of statutory transactional tax compliance to provide tax management tools and help companies to achieve compliance with transactional taxes, including value-added tax (VAT), sales and use, excise, communications, and other tax types.

It has got a 4* rating on Glassdoor and is considered one of the best product-based companies. It is highly regarded for its work-life balance.

They provide good training as well which will be beneficial in future too. You can practice the below Avalara Interview Questions for the interview. We have collected past frequently asked Avalara Interview Questions for your reference.

## Avalara Array Questions

Question 1. Longest subsequence such that difference between adjacents is one The problem “Longest subsequence such that difference between adjacents is one” states that you are given an integer array. Now you need to find the length of longest subsequence such that the difference of adjacent elements is 1. Example 1 2 3 4 7 5 9 4 6 Explanation As ...

Question 2. Check if a given array contains duplicate elements within k distance from each other The problem “Check if a given array contains duplicate elements within k distance from each other” states that we have to check for duplicates in given unordered array within the range of k. Here the value of k is smaller than the given array. Examples K = 3   arr[] = ...

Question 3. Pair with given product The problem “Pair with given product” states that you are given an integer array and a number “x”. Determine, whether an array consists of a pair of which product equals ‘x’ exist in the given input array. Example [2,30,12,5] x = 10 Yes, it has Product Pair Explanation Here 2 ...

Question 4. Find a sorted subsequence of size 3 in linear time Problem Statement The problem “Find a sorted subsequence of size 3 in linear time” states that you have an integer array. The problem statement asks to find out the three numbers in such a way that array[i] < array [k] < array[k], and i < j < k. Example arr[] ...

Question 5. Rearrange array such that even index elements are smaller and odd index elements are greater Problem Statement You have given an array of integers. The problem “Rearrange array such that even index elements are smaller and odd index elements are greater” asks to rearrange the array in such a manner that the even index elements should be smaller than the odd index elements in a ...

Question 6. Printing brackets in Matrix Chain Multiplication Problem Problem Statement We need to find the order of multiplication of matrices such that the number of operations involved in the multiplication of all the matrices is minimized. Then we need to print this order i.e. printing brackets in matrix chain multiplication problem. Consider you have 3 matrices A, B, ...

## Avalara String Questions

Question 7. Longest Repeated Subsequence The problem “Longest Repeated Subsequence” states that you are given a string as an input. Find out the longest repeated subsequence, that is the subsequence that exists twice in the string. Example aeafbdfdg 3 (afd) Approach The problem asks us to find out the longest repeated subsequence in the string. ...

Question 8. Prefix to Infix Conversion In prefix to infix conversion problem, we have given expression in prefix notation. Write a program to convert it into an infix expression. Prefix Notation In this notation the operands are written after the operator. It is also known as Polish Notation. For instance : +AB is an prefix expression. ...

## Avalara Graph Questions

Question 9. Iterative Depth First Traversal of Graph In iterative depth first traversal of graph problem, we have given a graph data structure. Write the program to print the depth first traversal of the given graph using the iterative method. Example Input : 0 -> 1, 0 -> 2, 1 -> 2, 2 -> 0, 2 -> 3, 3 ...

## Avalara Stack Questions

Question 10. Iterative Depth First Traversal of Graph In iterative depth first traversal of graph problem, we have given a graph data structure. Write the program to print the depth first traversal of the given graph using the iterative method. Example Input : 0 -> 1, 0 -> 2, 1 -> 2, 2 -> 0, 2 -> 3, 3 ...

Question 11. Prefix to Infix Conversion In prefix to infix conversion problem, we have given expression in prefix notation. Write a program to convert it into an infix expression. Prefix Notation In this notation the operands are written after the operator. It is also known as Polish Notation. For instance : +AB is an prefix expression. ...

## Avalara Queue Questions

Question 12. Priority Queue A priority queue is a type of data structure which is similar to a regular queue but has a priority associated with each of its element. Higher the priority earlier the element will be served. In some cases, there are two elements with the same priority then, the element enqueued ...

## Avalara Matrix Questions

Question 13. Printing brackets in Matrix Chain Multiplication Problem Problem Statement We need to find the order of multiplication of matrices such that the number of operations involved in the multiplication of all the matrices is minimized. Then we need to print this order i.e. printing brackets in matrix chain multiplication problem. Consider you have 3 matrices A, B, ...

## Avalara Other Questions

Question 14. Count pairs from two linked lists whose sum is equal to a given value Problem Statement Problem “Count pairs from two linked lists whose sum is equal to a given value” state that you are given two linked lists and an integer value sum. The problem statement asked to find out how many total pair has a sum equal to the given value. Example ...

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