I applied through an employee referral. The process took 3 weeks. I interviewed at Capital One in Oct 2019
Interview
Submitted my application with a referral and a few weeks later got an on-campus final round. The final round consisted of three 45 minute interviews. One case, one behavioral, and one technical. Heard back within 24 hours that I got the offer.
A problem similar to Coin Change on Leetcode. Transfer Euro to dollar then give the specified bill and coin amounts that you would return to make up the dollar amount.