First question is to find all numbers from 0 to n where each digit differs by 1. e.g. 12, 123, 121.

Second question is about a bar called “Liko”.

Second round of phone interview:

Asked resume-related questions for the first 30 minutes, then started with the coding questions.

First question: Divide 3n numbers into n groups, find the maximum sum of the second largest number in each group.

Second question: “Liko” dancing freely.

Third question: “Liko” bullying.

Also asked a product design question…

The interview was supposed to be 45 minutes, but ended up lasting over an hour…