5轮 + 午饭
Two interviewers one was shadowing. The interview consisted of a bunch of LP questions, and then one problem https://leetcode.com/problems/letter-combinations-of-a-phone-number/
except that it return reals words. It was like the autocomplete design problem but with keypads.
LP questions and system design. Design a flight booking system.
Then it was lunch, the person I went lunch with was nice. We talked about Amazon and Seattle in general.
LP questions and a DP problem. The classic one longest palindrome substring.
LP questions and a Linked List problem. Is one of the harderst LL problem in Leetcode. The solution must be in O(nlogn).
LP questions for an hour. It went deeper asking about the project I worked on.