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This is a verified interview question from Amazon. Candidates reporting seeing this problem in recent Online Assessments (OAs) and onsite rounds. Mastering "Amazon SDE Interview Round 1-2026" covers key patterns like Other.
"They mainly focus on Binary Search, Heaps, and Trees, and in some cases, they also ask basic DP problems. In my interview, I was given a Binary Search on Answer problem. Initially, I couldn't identify the Binary Search on Answer approach. After some time, the interviewer gave me a hint: “The answer belongs to a specific range. Think about the range in which the answer may lie.” After that hint, I was able to identify the approach and write the code. The interviewer then asked me about the time complexity of my solution and moved on to Amazon Working Style / decision-making-based questions. There was also around 5–8 minutes of discussion about my projects."
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