Capital One OA, 4 problems on CodeSignal in 70 minutes

Hack2hire Community · 2026-07-18T06:00:00.310Z

Finished the Capital One OA today. Q1 was the symmetric triplet count thing, straightforward. Q2 was a matrix commands problem, reverse row, swap rows, rotate, and that one ate more time than expected. Q3 felt like reading a novel before I even got to the actual logic tbh. Ended up being a string and integer concatenation pair count, doable once I parsed what they wanted. O(n squared) was fine per the prompt so I didn't bother over optimizing. Finished all 4 with about 5 minutes to spare. No wor...

Capital One OA, 4 problems on CodeSignal in 70 minutes

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