Online Assessment

2027 OA, Two Problems in 75 Minutes

CitadelSoftware Engineer · Online Assessment · Mar 2026

There were two problems, with 75 minutes in total. First problem: Given an initial work schedule for n days, an employee earns a fixed amount for each working day. If the previous day was also a working day, the employee earns an additional bonus. The employee may change at most k days off into working days, but may not change a working day into a day off. The goal is to choose which days off to…

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