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A Smooth Power Day of Case, BQ, Case, and DC

Capital OneData Scientist · Onsite · Oct 2025

I interviewed for C1's power day this week. Coming back to give back to the forum with my interview experience. I was nervous going in because I hadn't finished prepping in time, but the whole process turned out to be pretty smooth and not that hard. My power day order was case-bq-case-dc. Round 1, case: a coding-style one, I'd already come across this one before so no real questions there. Round…

Shared by a candidate · reported Oct 2025. Interview formats change; use it as a guide, not a script.