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ABCO

11 posts

ABCO – Advisory Board Company Recruitment Process

Last Updated: 23 July 2025

This article will give you information about the company, its recruitment process, sample questions that have been asked previously, lots of experiences shared by other as...read more

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Interview Experiences

Interview Preparation

Recruitment Process

ABCO Interview Experience | Set 5

Last Updated: 23 July 2025

Round 115 Technical Aptitude (predominantly DS), 3 Queries, 2 Coding Question hosted in HackerRankRound 2 (F2F Technical Interview) Find the number of rotations in a rota...read more

Interview Experiences

ABCO Interview Experience | Set 4

Last Updated: 23 July 2025

1st Round: Consisted of 20 questions out of which 15 were MCQ and 3 were DBMS queries and 2 were programming questions. Out of 260 people they shortlisted 13.2nd Round: ...read more

Interview Experiences

Rotation Count in a Rotated Sorted array

Last Updated: 08 August 2025

Given a sorted array arr[] (in strictly increasing order) that has been right-rotated k times. A right rotation means the last element is moved to the first position, and ...read more

Divide and Conquer

Abco Advisory Board Company | Set 3 (On-Campus Intern + FTE)

Last Updated: 23 July 2025

1st round:-first round consisted of 20 MCQ questions,2 coding and 5 DBMS query questions.2nd round:-This was a written coding round.2 questions were asked.1.Design a stack...read more

Interview Experiences

Abco Advisory Board Company | Set 2 (On-Campus)

Last Updated: 21 August 2025

Round 1:Technical aptitude 20 questions + 2 coding questions + 5 dbms queriesRound 2: Technical interviewGiven a mxn matrix with elements sorted along the rows as well as ...read more

Interview Experiences

Abco Advisory Board Company | Set 1 (Internship + Full time Employee)

Last Updated: 23 July 2025

Started with 2 simple data structure programs and 30 aptitude questions; luckily cleared this round and qualified for the in-person interview. I was asked only data...read more

Interview Experiences

K’th Smallest/Largest Element in Unsorted Array | Worst case Linear Time

Last Updated: 23 July 2025

Given an array of distinct integers arr[] and an integer k. The task is to find the k-th smallest element in the array. For better understanding, k refers to the element t...read more

Order-Statistics

K’th Smallest/Largest Element in Unsorted Array | Expected Linear Time

Last Updated: 23 July 2025

Given an array of distinct integers and an integerk, wherekis smaller than the array's size, the task is to find the k'th smallest element in the array.Examples:Input:arr ...read more

Order-Statistics

K’th Smallest Element

Last Updated: 18 October 2025

Given an integer array arr[] and k. Find the k'th smallest element in the given array. Note: k is always smaller than the size of the array.Examples:Input: arr[] = [10, 5,...read more

Order-Statistics

Two Sum - Pair with given Sum

Last Updated: 26 July 2025

Given an array arr[] of n integers and a target value, check if there exists a pair whose sum equals the target. This is a variation of the 2-Sum problem.Examples:Input: a...read more

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