Amazon SDE - 1 interview questions

Round 1: Online Coding Round Coding: 2 LC Medium level story-based problems. One on Binomial Coefficients (use DP to avoid TLE) and another on Heaps. I passed 10/10 on Q1 and 9/10 on Q2. Practice the past year's archives extensively to get an overall idea. Round 2: Online round [Amazon Chime] The interviewer was very strict on the timing. He stated that he would give two problems, and I was supposed to provide him with the optimized solution in the first go (unlike the usual method of starting from naive and reaching optimized) Round 3: Online Round 2