Amazon Software Engineer interview questions

This was the Technical interview round which went around an hour, so the HR asked about the technical concepts from my resume before he went on to the DSA questions. The DSA questions were from the topics of Arrays, Dynamic Programming, Min Heaps, Stacks, Two Pointers. There were two questions from these topics combined, which were at a moderate to high level of difficulty, then he asked me about the searching or sorting algorithms I am familiar of and asked to write the code for it. The overall experience was pretty much interesting as they were testing the depth of problem solving, while giving hints if asked for