Interview Experience Analysis for Cognitree

Name: Cognitree Interview Experience Data
Creator: CodingKaro
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Cognitree interview, Cognitree interview questions, tech interview, coding interview

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Cognitree Interview Experiences

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Cognitree | Interview Experience | SDE 2

CognitreeSDE 2

August 14, 2025

Summary

Had two rounds of interviews for SDE 2 position at Cognitree. Round 1 was DSA with two problems. Round 2 focused on Java concepts, OOPS, SOLID principles, and DSA. Missed the hashset duplicate explana...

Interview Experience

Round 1 – DSAInsert IntervalProblem: Given a set of non-overlapping intervals, insert a new interval (merge if needed).K Most Frequent ElementsProblem: Return the k most frequent elements from an array.Round 2 – Java + OOPS + DSAJava ConceptsOOPS principles, SOLID principles discussion.HashSet dupli...

Interview Questions (5)

Insert Interval

MediumData Structures & Algorithms

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K Most Frequent Elements

MediumData Structures & Algorithms

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HashSet Duplicate Check

Data Structures & Algorithms

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Longest Substring Without Repeating Characters

MediumData Structures & Algorithms

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Longest Substring With At Most 2 Distinct Characters

MediumData Structures & Algorithms

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