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.
20 Karat practice problems loaded.
| Company | Problem | Difficulty | Public evidence | Action |
|---|---|---|---|---|
INIntuit | Reflow and Fully Justify Text LinesStringArray | Medium | 17 public reportsLatest Feb 2021 | Practice |
INIntuit | Middle Course in a Prerequisite ChainGraphHash Table | Easy | 17 public reportsLatest Jan 2021 | Practice |
INIntuit | Find a Word Path Moving Right or DownMatrixDepth-First Search | Medium | 15 public reportsLatest Feb 2021 | Practice |
INIntuit | Nearest Different Maze Exit for a SnakeGraphMatrix | Medium | 5 public reportsLatest Oct 2022 | Practice |
INIntuit | Does the Word Exist in the Grid?MatrixBacktracking | Medium | 5 public reportsLatest Oct 2020 | Practice |
INIntuit | Count Courses Without Taking One CourseGraphHash Table | Medium | 4 public reportsLatest Oct 2022 | Practice |
INIntuit | Fully Justify Lines of WordsStringGreedy | Hard | 4 public reportsLatest Oct 2020 | Practice |
INIntuit | Bounding Coordinates of Rectangular RegionsMatrixGraph | Medium | 4 public reportsLatest Nov 2017 | Practice |
INIntuit | Set Total Palindrome Transformation CostStringBit Manipulation | Hard | 3 public reportsLatest Feb 2026 | Practice |
INIntuit | King-Dreams-I (Intuit India)GreedyCombinatorics | Hard | 3 public reportsLatest Feb 2024 | Practice |
INIntuit | Count Connected Equal TilesMatrixGraph | Easy | 3 public reportsLatest Oct 2022 | Practice |
INIntuit | Cookie Monster Minimum Arrival TimeGraphShortest Path | Medium | 3 public reportsLatest Oct 2022 | Practice |
INIntuit | Maximum Reward (Intuit India)Dynamic ProgrammingMatrix | Medium | 2 public reportsLatest Jul 2025 | Practice |
INIntuit | Virus Spread (Intuit India)MatrixBreadth-First Search | Medium | 2 public reportsLatest Aug 2024 | Practice |
DUDuolingo | Most-Read Page Across Every Valid StorylineGraphBacktracking | Hard | 2 public reportsLatest Oct 2022 | Practice |
INIntuit | Lexicographically Smallest Topological OrderGraphTopological Sort | Medium | 2 public reportsLatest May 2021 | Practice |
DUDuolingo | Bouncing Square Reaches a Screen CornerSimulationMath | Medium | 1 public reportLatest Dec 2024 | Practice |
INInfosys | Find Number of Good Subsequences 🍅Dynamic ProgrammingCombinatorics | Hard | 1 public reportLatest Apr 2024 | Practice |
INInfosys | Number of Unique Elements After Modifications 🍁ArrayPrefix Sum | Medium | 1 public reportLatest Mar 2024 | Practice |
INInfosys | Obtain Maximum Score Using Minimum SwapsGreedySorting | Medium | 1 public reportLatest Feb 2024 | Practice |
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.
- 01
Clarify before committing
Restate the goal, confirm examples and constraints, and surface assumptions instead of silently choosing an interpretation.
- 02
Narrate the approach
Explain the data structure, tradeoffs, and expected complexity in short checkpoints while you implement.
- 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.
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