As an old tech giant, Amazon's SDE OA has always been the level with the highest percentage of brushes. Not only does it test algorithms, but also communication logic, scene strain...

We coach clients who are targeting Visa, partly because the clients themselves love Visa, partly because Visa is a giant in the payment industry and the market sh...

Recently, our team just wrapped up guiding some student...

Meta（前 Facebook）一直是全球技术岗竞争最激烈的公司之一。无论是 Software Enginee…

I recently participated in the Booking.com 2025 School Recruiting HackerRank OA, which was 90 minutes long with three programming questions. ...

Citadel is a dream fintech company for many science students, especially its Quant and Software Eng...

Amazon Linen OA is divided into 4 main parts, 2 Coding courses with a time limit of 70mins to complete; Work Simulatio...

Cloudflare's OA has not always been an easy task to deal with in the style of "brushing up", but more of an examination of engineering understanding, exception handling and the underlying net...

Topic Overview MCC OA is mainly Code based, MCC has recently issued OA in bulk, takes about 90 minutes to complete, contains three algorithmic questions: ...

Cisco is a globally recognized supplier of network equipment and solutions, and in recent years has continued to make efforts in the direction of software research and development, cloud security, and AI networking, and as a result, in...