Capital One Software Developer interview questions

first of all we had a written test which approximately 60 people gave. there were 25 questions to be completed in 60 minutes. there were 4-5 aptitude questions and all others were output prediction related questions. 24 students cleared that round. Then we had a paper pen based written in which we had a problem statement in which we had to design an algorithm to decode a passkey( based upon some details). 60 minutes were allocated for it . 12 people cleared it. after it there was a case study round in which a large problem statement was given about a number of vehicles with different routes and mileage for delivering different packages. we were supposed to provide the way in which we would optimize the profit. 3 people cleared this round. then there was a hr round in which 2 people were finally selected.