Online Assessment

Codility OA, 115 Minutes, Three Easy Problems

DRWSoftware Engineer · Intern · Online Assessment · Oct 2026

Overall pretty easy, with plenty of time to spare. The first two problems have no complexity requirement, pure brute force is fine, and the algorithm for the third one isn't hard either. Given an array, you can change the value of any three numbers. What is the smallest possible difference between the max and the min? Given a string made of lowercase letters, define a balanced string as one where…

Shared by a candidate · reported Oct 2026. Interview formats change; use it as a guide, not a script.