Athenahealth Technology Interview Questions, Process, and Tips

Round duration - 60 Minutes
Round difficulty - Medium

First there was a preplacement talk of company and interview process. Soon online test was conducted around 10 AM in consisting of MCQs, and coding question. Platform was smooth enough.

Q1. 
Find the Longest Palindromic Substring
Given a string ‘S’ composed of lowercase English letters, your task is to identify the longest palindromic substring within ‘S’.
If there are multiple longest palin...read more
Ans. Brute Force
The brute force solution is to pick all possible starting and ending positions for a substring and verify if it is a palindrome.
 
The steps are as follows:
 
1. If the length of the given string is zero, return an empty string. Else,
2. Start checking each substring of the given string ‘S’ whether the substring is a palindrome or not.
3. To do this first, run the two nested loops.
4. These two loops pick up all the ...read more
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Round duration - 45 Minutes
Round difficulty - Medium

The day after online test is done , Technical round was conducted at 9AM . Interview went well without distractions though it was online.

Q1. 
Merge Sort Problem Statement
You are given a sequence of numbers, ARR. Your task is to return a sorted sequence of ARR in non-descending order using the Merge Sort algorithm.
Explanation:
The Merge Sort...read more
Ans. Recursion
The basic idea is that we divide the given ‘ARR’ into two-part call them ‘leftHalves’ and ‘rightHalves’ and call the same function again with both the parts. In the end, we will get sorted ‘leftHaves’ and sorted ‘righthalves’ which we merge both of them and return a merged sorted ‘ARR’.
We implement this approach with a divide and conquer strategy.
 
Here is the algorithm : 
 
1. Divide ‘ARR’ into two-p...read more
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Q2. Given three tables and their attributes, how would you find the names of employees whose balance is less than 200?
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Round duration - 45 Minutes
Round difficulty - Medium

Round duration - 35 Minutes
Round difficulty - Medium