HackerRank-style coding test prep
HackerRank practice, from prompt to passing cases.
Build a test-day rhythm with 20 high-frequency public-catalog problems: read the contract, implement under time pressure, and test the edges before you submit.
Loading HackerRank practice problems
Reading the highest-frequency public catalog matches.HackerRank filter
Browse problems with explicit platform evidence.Company context
See the employers attached to each public catalog report.Runnable prompts
Implement and execute your solution in one workspace.Custom cases
Check boundaries before you call a solution finished.
Build a complete coding-test rhythm.
Employers configure their own tests. Practice the repeatable work that transfers across them: understand the contract, choose an efficient approach, implement, and verify.
- 01
Start from the contract
Read the examples, input and output shape, and constraints. Choose the data structure and estimate complexity before writing code.
- 02
Implement against a clock
Use a strict timebox and reserve a final review window instead of coding until the last second.
- 03
Test beyond the happy path
Add small, empty, duplicate, boundary, and large-input cases that follow from the stated constraints.
Put the coding test inside your interview plan.
Use company hiring signals to decide what deserves attention, then track the invitation, due date, and recruiter follow-up alongside the rest of your applications.
What candidates should know.
Clear guidance on the catalog evidence, the practice workflow, and the boundary between independent preparation and official platform content.
01Is FastPrep affiliated with HackerRank?
No. FastPrep is an independent interview preparation and application tracking product. This page filters FastPrep's public catalog to entries with explicit supporting HackerRank evidence.
02Does FastPrep provide official or private HackerRank questions?
No. FastPrep does not provide official, private, leaked, or proprietary HackerRank questions. The problems are intended to build transferable implementation and testing skills.
03How are HackerRank practice problems selected?
FastPrep previews 20 public assessment problems with explicit HackerRank evidence and orders them by repeated public catalog sightings. The full filtered problem bank contains the remaining matches.
04How should I run a HackerRank-style practice session?
Set a timebox, read the full contract and constraints, state the intended complexity, implement without switching tasks, and leave time to run custom boundary cases. Follow the rules in your actual assessment invitation.
05How can I see every HackerRank practice problem?
Select Show all problems above or below the preview table. The full problem list opens with the HackerRank filter already applied.
Your next useful action
Practice the whole loop once.
Choose a problem, set a timer, and finish with deliberate edge-case checks.
View practice problems