Practice Guides by Platform
Every assessment platform grades a slightly different game — input parsing, pacing, hidden test cases, or a human rubric. These guides cover the rules of each one and how to train for it.
CodeSignal Practice Guide
How to train for the CodeSignal score-based format before it costs you
Read guide →Codility Practice Guide
The quiet judge behind Microsoft-style screens, and how to make it like you
Read guide →HackerRank Practice Guide
What the HackerRank environment actually tests and how to practice for it
Read guide →Karat Practice Guide
How Karat's professional-interviewer format works and how to train for it
Read guide →LeetCode Practice Guide
Getting real interview value out of LeetCode without drowning in it
Read guide →