The frequency of IBM OA this year is actually not low, and many students who voted for NG SDE have received invitations one after another. The overall style is quite typical H…

This BCG X DS Intern OA was not algorithm-oriented and was significantly closer to the real data science workflow: Metric Analysis → Data…

This time Google 2026 New Grad OA has indeed updated the new questions, and it feels like the question bank has finally started to move. The overall difficulty is not particularly tricky...

The overall experience of this Two Sigma OA is very similar to the BCG

I just finished the OA of 2026 Amazon SDE (near NG). The overall summary is: longer time, harder screening. This year’s OA total…

Intuit has recently begun to focus on issuing OA again. This time it is 26 NG SDE. There are three questions in total, programming + SQL + Bash...

Many people get stuck in Microsoft OA, but looking back it's not that the question itself is difficult, but that some very typical problems appear repeatedly: such as...

I have been reading a lot of OA recently. The overall experience of this Google is still a one-sentence evaluation: the number of questions is small, but the cost of thinking is not low. Not the kind that relies on your hands...

Recently, Two Sigma OA has been released one after another. I just finished one set today. My overall experience can be summarized in one sentence: the questions are neither too strange nor too strange, and the difficulty is medium to basic...

I participated in TikTok’s OA on January 25th, and the overall experience was pretty good. The questions were CodeSignal’s classic four-question model. …