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OA Goldman Sachs OA Interview Review｜Log Buffer + Password Lock, two brain-teasing questions!

Goldman Sachs OA has always been a bit "off the beaten path". Unlike other financial firms that favor mathematical derivation or SQL case...

OA Confluent's latest OA review｜Two questions of medium-high intensity, full monitoring + detailed explanation of boundary pits

Recently, I just finished Confluent's OA, and the overall feeling is slightly harder than expected, belonging to the kind that looks simple, but with a lot of details and boundaries that are easy to error...

OA JPMorgan OA Interview｜Dynamic Planning + Prefix and Question Summary

JPMorgan's OA has been the focus of many preparations for FinTech posts (FinTech / Quant / Data / SDE...

OA Meta Online Assessment Four Questions Full Explanation and Passing Ideas (30 minutes full AC)

This time, Meta's OA is a remote format with four questions, and the platform interface is clean and smooth. Throughout the process, the style of the questions favored basic logic and data structures, no...

OA Roblox oa 2026 interview sharing | Two real questions + ideas + detailed code explanations

Recently, many students are preparing for Roblox OA 2026. Here is a classmate’s latest Roblox OA review, covering two...

OA Virtu financial career full interview process review | From OA to Final, experience the mental journey of plummeting

This time, I'll share the entire process of my interview at Virtu Financial, from the easy OA to the math-filled Final....

OA Stripe 2026 New Grad OA Experience Sharing｜60 minutes for one question, Case Intensive Exam Details

This time we share the real experience of one of our students. She has a master's degree in computer science from one of the top 20 universities in North America, and is applying to 2026 New ...

Meta Online Assessment 2026 4 Questions 45 Minutes Full AC Experience Sharing (with Detailed Question Explanations and Practical Pacing Suggestions)

OA Meta Online Assessment 2026 4 Questions 45 Minutes Full AC Experience Sharing (with Detailed Question Explanations and Practical Pacing Suggestions)

Meta's OA has always been notorious for being "time-critical + logic-heavy" among the big North American companies, and this release is no exception. I did this round with 4 questions /...

OA NVIDIA OA real question sharing｜Two questions classic combination explanation (monotonic stack + array construction)

Recently a Programhelp North American student successfully completed the NVIDIA OA, and we reviewed the content of this test together. He is a Canadian...

OA J.P. Morgan 2026 OA Interview｜Two Questions + Solutions and Preparation Advice

Just recently finished J.P. Morgan's 2026 New Grad OA and the overall experience was very smooth. The questions weren't too tricky, but...