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Karat-style technical interview prep

Karat interview practice, with your reasoning out loud.

Use explicitly Karat-tagged public catalog problems to rehearse a live technical interview: clarify the task, explain a sound approach, implement, and test without going silent.

Live-interview rhythmKarat evidencePublic catalog only
Karat problem preview
16 problems with explicit Karat evidence

16 problems for Karat practice

Ranked by repeated public catalog sightings. Start with any problem below.
Show all problems

16 Karat practice problems loaded.

CompanyProblemDifficultyPublic evidenceAction
INIntuit
Set Total Palindrome Transformation CostStringBit ManipulationHard1 public reportLatest Feb 2026Practice
INinfosys
Find Number of Good Subsequences 🍅Dynamic ProgrammingCombinatoricsHard1 public reportLatest Apr 2024Practice
INinfosys
Number of Unique Elements After Modifications 🍁ArrayPrefix SumMedium1 public reportLatest Mar 2024Practice
INinfosys
Obtain Maximum Score Using Minimum SwapsGreedySortingMedium1 public reportLatest Feb 2024Practice
INIntuit
Smart Gardener (Intuit India)Dynamic ProgrammingIntervalsHard1 public reportLatest Feb 2024Practice
INinfosys
Extract CardsGreedyArrayHard1 public reportLatest Feb 2024Practice
INIntuit
Jumping Kady (Intuit India)GraphBreadth-First SearchMedium1 public reportLatest Feb 2024Practice
INIntuit
Longest Cipher (Intuit India)StringSliding WindowEasy1 public reportLatest Feb 2024Practice
INIntuit
Maximum Reward (Intuit India)Dynamic ProgrammingMatrixMedium1 public reportLatest Feb 2024Practice
INIntuit
Spreading Fire (Intuit India)GeometrySimulationEasy1 public reportLatest Feb 2024Practice
INIntuit
Virus Spread (Intuit India)MatrixBreadth-First SearchMedium1 public reportLatest Feb 2024Practice
INIntuit
Ice Cream SticksArraySortingMedium1 public reportLatest Feb 2024Practice
INIntuit
Letter CandlesHeapGreedyMedium1 public reportLatest Feb 2024Practice
INIntuit
Rearrange StringStringGreedyHard1 public reportLatest Feb 2024Practice
INIntuit
King-Dreams-I (Intuit India)GreedyCombinatoricsHard1 public reportLatest Feb 2024Practice
INIntuit
Russian Dolls (Intuit India)Hash TableGreedyEasy1 public reportLatest Feb 2024Practice
Showing 16 of 16 public Karat matchesShow all problems

  • Karat filter

    Use problems with explicit supporting platform evidence.

  • Readable prompts

    Practice clarifying examples and constraints before coding.

  • Runnable workspace

    Implement and execute while keeping your explanation coherent.

  • Reasoning rehearsal

    Explain choices, tradeoffs, and test coverage as you work.

Practice the conversation and the code.

Karat describes its candidate experience as a live technical assessment. A useful rehearsal therefore includes communication: clarify the task, make the plan legible, and test while explaining what you are checking.

  1. 01

    Clarify before committing

    Restate the goal, confirm examples and constraints, and surface assumptions instead of silently choosing an interpretation.

  2. 02

    Narrate the approach

    Explain the data structure, tradeoffs, and expected complexity in short checkpoints while you implement.

  3. 03

    Test with intent

    Walk through a normal case, a boundary case, and the failure mode each custom case is meant to catch.

Prepare for the interview around the code.

Use hiring insights to understand the opportunity, rehearse a focused live-coding session, and track scheduling and recruiter follow-up with the rest of your application.

Explore hiring insightsOpen the application tracker

Other assessment practice hubs

CodeSignal practiceHackerRank practiceCodility practice

What candidates should know.

How this independent practice differs from an official interview and how to rehearse the live problem-solving skills responsibly.

01Is FastPrep affiliated with Karat?

No. FastPrep is an independent interview preparation and application tracking product. This page filters FastPrep's public catalog to entries with explicit supporting Karat evidence.

02Does FastPrep provide official or private Karat questions?

No. FastPrep does not provide official, private, leaked, or proprietary Karat questions. The practice is designed to strengthen transferable coding and communication skills.

03How are Karat practice problems selected?

FastPrep shows the available public assessment problems with explicit Karat evidence, ordered by repeated public catalog sightings. The full filtered problem bank provides any additional filters.

04How should I rehearse a Karat-style technical interview?

Practice clarifying the prompt, stating an approach and its complexity, implementing while communicating concise checkpoints, and explaining the purpose of each test case. Follow your interview invitation and the interviewer's rules.

05Is this a simulation of an official Karat interview?

No. Employers and interviews vary, and FastPrep does not reproduce Karat's interview. This page provides independent problem practice for coding, explanation, and testing skills.

Your next useful action

Solve one problem out loud.

Make the plan, implementation, and test reasoning clear enough for another engineer to follow.

View practice problems